diff --git a/CHANGELOG.md b/CHANGELOG.md
index 20fa9ea..adfc4a6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 2.0.1 (2022-02-08)
+- Fixed issue with lingering keys causing constant memory growth
+- Add PHP8 support
+- Composer upgrade
+
 ## 2.0.0 (2021-02-19)
 - Moved to PSR-4
 - Namespaced codebase
diff --git a/README.md b/README.md
index b09662e..4d248d3 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,6 @@
 php-resque: PHP Resque Worker (and Enqueue)
 ===========================================
 
- [![pipeline status](https://gitlab.com/idanoo/php-resque/badges/master/pipeline.svg)](https://gitlab.com/idanoo/php-resque/-/commits/master) 
- 
 Resque is a Redis-backed library for creating background jobs, placing
 those jobs on one or more queues, and processing them later.
 
diff --git a/composer.lock b/composer.lock
index a335804..151c58c 100644
--- a/composer.lock
+++ b/composer.lock
@@ -52,16 +52,16 @@
         },
         {
             "name": "psr/log",
-            "version": "1.1.3",
+            "version": "1.1.4",
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                 "type": "git",
                 "url": "https://github.com/php-fig/log.git",
-                "reference": "0f73288fd15629204f9d42b7055f72dacbe811fc"
+                "reference": "d49695b909c3b7628b6289db5479a1c204601f11"
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-                "reference": "0f73288fd15629204f9d42b7055f72dacbe811fc",
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+                "reference": "d49695b909c3b7628b6289db5479a1c204601f11",
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@@ -85,7 +85,7 @@
             "authors": [
                 {
                     "name": "PHP-FIG",
-                    "homepage": "http://www.php-fig.org/"
+                    "homepage": "https://www.php-fig.org/"
                 }
             ],
             "description": "Common interface for logging libraries",
@@ -96,9 +96,9 @@
                 "psr-3"
             ],
             "support": {
-                "source": "https://github.com/php-fig/log/tree/1.1.3"
+                "source": "https://github.com/php-fig/log/tree/1.1.4"
             },
-            "time": "2020-03-23T09:12:05+00:00"
+            "time": "2021-05-03T11:20:27+00:00"
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@@ -188,9 +188,6 @@
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-            },
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@@ -198,12 +195,12 @@
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-                "psr-4": {
-                    "DeepCopy\\": "src/DeepCopy/"
-                },
                 "files": [
                     "src/DeepCopy/deep_copy.php"
-                ]
+                ],
+                "psr-4": {
+                    "DeepCopy\\": "src/DeepCopy/"
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -231,16 +228,16 @@
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-            "version": "v4.10.4",
+            "version": "v4.13.2",
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                 "url": "https://github.com/nikic/PHP-Parser.git",
-                "reference": "c6d052fc58cb876152f89f532b95a8d7907e7f0e"
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@@ -281,22 +278,22 @@
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-                "source": "https://github.com/nikic/PHP-Parser/tree/v4.10.4"
+                "source": "https://github.com/nikic/PHP-Parser/tree/v4.13.2"
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-            "time": "2020-12-20T10:01:03+00:00"
+            "time": "2021-11-30T19:35:32+00:00"
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-            "version": "2.0.1",
+            "version": "2.0.3",
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                 "url": "https://github.com/phar-io/manifest.git",
-                "reference": "85265efd3af7ba3ca4b2a2c34dbfc5788dd29133"
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@@ -341,22 +338,22 @@
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-                "source": "https://github.com/phar-io/manifest/tree/master"
+                "source": "https://github.com/phar-io/manifest/tree/2.0.3"
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-            "time": "2020-06-27T14:33:11+00:00"
+            "time": "2021-07-20T11:28:43+00:00"
         },
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-            "version": "3.0.4",
+            "version": "3.1.1",
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                 "url": "https://github.com/phar-io/version.git",
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@@ -392,9 +389,9 @@
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-                "source": "https://github.com/phar-io/version/tree/3.0.4"
+                "source": "https://github.com/phar-io/version/tree/3.1.1"
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-            "time": "2020-12-13T23:18:30+00:00"
+            "time": "2022-02-07T21:56:48+00:00"
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@@ -451,16 +448,16 @@
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@@ -471,7 +468,8 @@
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@@ -501,22 +499,22 @@
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-                "source": "https://github.com/phpDocumentor/ReflectionDocBlock/tree/master"
+                "source": "https://github.com/phpDocumentor/ReflectionDocBlock/tree/5.3.0"
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-            "time": "2020-09-03T19:13:55+00:00"
+            "time": "2021-10-19T17:43:47+00:00"
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-            "version": "1.4.0",
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@@ -524,7 +522,8 @@
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+                "ext-tokenizer": "*",
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-                "source": "https://github.com/phpDocumentor/TypeResolver/tree/1.4.0"
+                "source": "https://github.com/phpDocumentor/TypeResolver/tree/1.6.0"
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-            "time": "2020-09-17T18:55:26+00:00"
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@@ -941,16 +940,16 @@
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                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/global-state.git",
-                "reference": "a90ccbddffa067b51f574dea6eb25d5680839455"
+                "reference": "23bd5951f7ff26f12d4e3242864df3e08dec4e49"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/global-state/zipball/a90ccbddffa067b51f574dea6eb25d5680839455",
-                "reference": "a90ccbddffa067b51f574dea6eb25d5680839455",
+                "url": "https://api.github.com/repos/sebastianbergmann/global-state/zipball/23bd5951f7ff26f12d4e3242864df3e08dec4e49",
+                "reference": "23bd5951f7ff26f12d4e3242864df3e08dec4e49",
                 "shasum": ""
             },
             "require": {
@@ -1600,7 +1599,7 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/global-state/issues",
-                "source": "https://github.com/sebastianbergmann/global-state/tree/5.0.2"
+                "source": "https://github.com/sebastianbergmann/global-state/tree/5.0.3"
             },
             "funding": [
                 {
@@ -1608,7 +1607,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2020-10-26T15:55:19+00:00"
+            "time": "2021-06-11T13:31:12+00:00"
         },
         {
             "name": "sebastian/lines-of-code",
@@ -1899,16 +1898,16 @@
         },
         {
             "name": "sebastian/type",
-            "version": "2.3.1",
+            "version": "2.3.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/type.git",
-                "reference": "81cd61ab7bbf2de744aba0ea61fae32f721df3d2"
+                "reference": "b8cd8a1c753c90bc1a0f5372170e3e489136f914"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/type/zipball/81cd61ab7bbf2de744aba0ea61fae32f721df3d2",
-                "reference": "81cd61ab7bbf2de744aba0ea61fae32f721df3d2",
+                "url": "https://api.github.com/repos/sebastianbergmann/type/zipball/b8cd8a1c753c90bc1a0f5372170e3e489136f914",
+                "reference": "b8cd8a1c753c90bc1a0f5372170e3e489136f914",
                 "shasum": ""
             },
             "require": {
@@ -1943,7 +1942,7 @@
             "homepage": "https://github.com/sebastianbergmann/type",
             "support": {
                 "issues": "https://github.com/sebastianbergmann/type/issues",
-                "source": "https://github.com/sebastianbergmann/type/tree/2.3.1"
+                "source": "https://github.com/sebastianbergmann/type/tree/2.3.4"
             },
             "funding": [
                 {
@@ -1951,7 +1950,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2020-10-26T13:18:59+00:00"
+            "time": "2021-06-15T12:49:02+00:00"
         },
         {
             "name": "sebastian/version",
@@ -2008,16 +2007,16 @@
         },
         {
             "name": "squizlabs/php_codesniffer",
-            "version": "3.5.8",
+            "version": "3.6.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/squizlabs/PHP_CodeSniffer.git",
-                "reference": "9d583721a7157ee997f235f327de038e7ea6dac4"
+                "reference": "5e4e71592f69da17871dba6e80dd51bce74a351a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/9d583721a7157ee997f235f327de038e7ea6dac4",
-                "reference": "9d583721a7157ee997f235f327de038e7ea6dac4",
+                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/5e4e71592f69da17871dba6e80dd51bce74a351a",
+                "reference": "5e4e71592f69da17871dba6e80dd51bce74a351a",
                 "shasum": ""
             },
             "require": {
@@ -2060,32 +2059,35 @@
                 "source": "https://github.com/squizlabs/PHP_CodeSniffer",
                 "wiki": "https://github.com/squizlabs/PHP_CodeSniffer/wiki"
             },
-            "time": "2020-10-23T02:01:07+00:00"
+            "time": "2021-12-12T21:44:58+00:00"
         },
         {
             "name": "symfony/polyfill-ctype",
-            "version": "v1.22.1",
+            "version": "v1.24.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-ctype.git",
-                "reference": "c6c942b1ac76c82448322025e084cadc56048b4e"
+                "reference": "30885182c981ab175d4d034db0f6f469898070ab"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/c6c942b1ac76c82448322025e084cadc56048b4e",
-                "reference": "c6c942b1ac76c82448322025e084cadc56048b4e",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/30885182c981ab175d4d034db0f6f469898070ab",
+                "reference": "30885182c981ab175d4d034db0f6f469898070ab",
                 "shasum": ""
             },
             "require": {
                 "php": ">=7.1"
             },
+            "provide": {
+                "ext-ctype": "*"
+            },
             "suggest": {
                 "ext-ctype": "For best performance"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-main": "1.22-dev"
+                    "dev-main": "1.23-dev"
                 },
                 "thanks": {
                     "name": "symfony/polyfill",
@@ -2123,7 +2125,7 @@
                 "portable"
             ],
             "support": {
-                "source": "https://github.com/symfony/polyfill-ctype/tree/v1.22.1"
+                "source": "https://github.com/symfony/polyfill-ctype/tree/v1.24.0"
             },
             "funding": [
                 {
@@ -2139,20 +2141,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-01-07T16:49:33+00:00"
+            "time": "2021-10-20T20:35:02+00:00"
         },
         {
             "name": "theseer/tokenizer",
-            "version": "1.2.0",
+            "version": "1.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/theseer/tokenizer.git",
-                "reference": "75a63c33a8577608444246075ea0af0d052e452a"
+                "reference": "34a41e998c2183e22995f158c581e7b5e755ab9e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/theseer/tokenizer/zipball/75a63c33a8577608444246075ea0af0d052e452a",
-                "reference": "75a63c33a8577608444246075ea0af0d052e452a",
+                "url": "https://api.github.com/repos/theseer/tokenizer/zipball/34a41e998c2183e22995f158c581e7b5e755ab9e",
+                "reference": "34a41e998c2183e22995f158c581e7b5e755ab9e",
                 "shasum": ""
             },
             "require": {
@@ -2181,7 +2183,7 @@
             "description": "A small library for converting tokenized PHP source code into XML and potentially other formats",
             "support": {
                 "issues": "https://github.com/theseer/tokenizer/issues",
-                "source": "https://github.com/theseer/tokenizer/tree/master"
+                "source": "https://github.com/theseer/tokenizer/tree/1.2.1"
             },
             "funding": [
                 {
@@ -2189,34 +2191,39 @@
                     "type": "github"
                 }
             ],
-            "time": "2020-07-12T23:59:07+00:00"
+            "time": "2021-07-28T10:34:58+00:00"
         },
         {
             "name": "webmozart/assert",
-            "version": "1.9.1",
+            "version": "1.10.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/webmozarts/assert.git",
-                "reference": "bafc69caeb4d49c39fd0779086c03a3738cbb389"
+                "reference": "6964c76c7804814a842473e0c8fd15bab0f18e25"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/webmozarts/assert/zipball/bafc69caeb4d49c39fd0779086c03a3738cbb389",
-                "reference": "bafc69caeb4d49c39fd0779086c03a3738cbb389",
+                "url": "https://api.github.com/repos/webmozarts/assert/zipball/6964c76c7804814a842473e0c8fd15bab0f18e25",
+                "reference": "6964c76c7804814a842473e0c8fd15bab0f18e25",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.3.3 || ^7.0 || ^8.0",
+                "php": "^7.2 || ^8.0",
                 "symfony/polyfill-ctype": "^1.8"
             },
             "conflict": {
                 "phpstan/phpstan": "<0.12.20",
-                "vimeo/psalm": "<3.9.1"
+                "vimeo/psalm": "<4.6.1 || 4.6.2"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.8.36 || ^7.5.13"
+                "phpunit/phpunit": "^8.5.13"
             },
             "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.10-dev"
+                }
+            },
             "autoload": {
                 "psr-4": {
                     "Webmozart\\Assert\\": "src/"
@@ -2240,9 +2247,9 @@
             ],
             "support": {
                 "issues": "https://github.com/webmozarts/assert/issues",
-                "source": "https://github.com/webmozarts/assert/tree/1.9.1"
+                "source": "https://github.com/webmozarts/assert/tree/1.10.0"
             },
-            "time": "2020-07-08T17:02:28+00:00"
+            "time": "2021-03-09T10:59:23+00:00"
         }
     ],
     "aliases": [],
@@ -2254,5 +2261,5 @@
         "php": ">7.4"
     },
     "platform-dev": [],
-    "plugin-api-version": "2.0.0"
+    "plugin-api-version": "2.2.0"
 }
diff --git a/src/Resque/Exception.php b/src/Resque/Exception.php
index ed2e3f7..7e8b7ae 100644
--- a/src/Resque/Exception.php
+++ b/src/Resque/Exception.php
@@ -12,5 +12,4 @@ namespace Resque;
 
 class Exception extends \Exception
 {
-
 }
diff --git a/src/Resque/Job/DirtyExitException.php b/src/Resque/Job/DirtyExitException.php
index a96bc10..ba002bc 100644
--- a/src/Resque/Job/DirtyExitException.php
+++ b/src/Resque/Job/DirtyExitException.php
@@ -11,5 +11,4 @@ namespace Resque\Job;
  */
 class DirtyExitException extends \RuntimeException
 {
-
 }
diff --git a/src/Resque/Job/DontCreate.php b/src/Resque/Job/DontCreate.php
index efdb69c..21f4f4d 100644
--- a/src/Resque/Job/DontCreate.php
+++ b/src/Resque/Job/DontCreate.php
@@ -11,5 +11,4 @@ namespace Resque\Job;
  */
 class DontCreate extends \Exception
 {
-
 }
diff --git a/src/Resque/Job/DontPerform.php b/src/Resque/Job/DontPerform.php
index 2c7f855..cc1c029 100644
--- a/src/Resque/Job/DontPerform.php
+++ b/src/Resque/Job/DontPerform.php
@@ -11,5 +11,4 @@ namespace Resque\Job;
  */
 class DontPerform extends \Exception
 {
-
 }
diff --git a/src/Resque/Job/Factory.php b/src/Resque/Job/Factory.php
index af35c6f..a25b98a 100644
--- a/src/Resque/Job/Factory.php
+++ b/src/Resque/Job/Factory.php
@@ -11,7 +11,6 @@ namespace Resque\Job;
  */
 class Factory implements FactoryInterface
 {
-
     /**
      * @param $className
      * @param array $args
diff --git a/src/Resque/Job/Job.php b/src/Resque/Job/Job.php
index 3a98f98..4717e59 100755
--- a/src/Resque/Job/Job.php
+++ b/src/Resque/Job/Job.php
@@ -59,6 +59,7 @@ class Job
      * @param string $id Unique identifier for tracking the job. Generated if not supplied.
      *
      * @return string
+     *
      * @throws \InvalidArgumentException
      */
     public static function create($queue, $class, $args = null, $monitor = false, $id = null)
@@ -91,6 +92,7 @@ class Job
      * instance of \Resque\Job\Job for it.
      *
      * @param string $queue The name of the queue to check for a job in.
+     *
      * @return false|object Null when there aren't any waiting jobs, instance of \Resque\Job\Job when a job was found.
      */
     public static function reserve($queue)
@@ -109,6 +111,7 @@ class Job
      *
      * @param array $queues
      * @param int $timeout
+     *
      * @return false|object Null when there aren't any waiting jobs, instance of \Resque\Job\Job when a job was found.
      */
     public static function reserveBlocking(array $queues, $timeout = null)
@@ -125,6 +128,8 @@ class Job
      * Update the status of the current job.
      *
      * @param int $status Status constant from \Resque\Job\Status indicating the current status of a job.
+     *
+     * @return bool
      */
     public function updateStatus($status): bool
     {
@@ -164,6 +169,7 @@ class Job
 
     /**
      * Get the instantiated object for this job that will be performing work.
+     *
      * @return \Resque\Job\JobInterface Instance of the object that this job belongs to.
      */
     public function getInstance()
@@ -182,6 +188,7 @@ class Job
      * associated with the job with the supplied arguments.
      *
      * @return bool
+     *
      * @throws \Resque\Exception When the job's class could not be found or it does not contain a perform method.
      */
     public function perform()
@@ -234,6 +241,7 @@ class Job
 
     /**
      * Re-queue the current job.
+     *
      * @return string
      */
     public function recreate()
@@ -269,6 +277,7 @@ class Job
 
     /**
      * @param FactoryInterface $jobFactory
+     *
      * @return Job
      */
     public function setJobFactory(FactoryInterface $jobFactory)
diff --git a/src/Resque/Job/Status.php b/src/Resque/Job/Status.php
index 229e3a5..29d412e 100644
--- a/src/Resque/Job/Status.php
+++ b/src/Resque/Job/Status.php
@@ -59,7 +59,7 @@ class Status
             'updated' => time(),
             'started' => time(),
         ];
-        \Resque\Resque::redis()->set('job:' . $id . ':status', json_encode($statusPacket));
+        \Resque\Resque::redis()->setex('job:' . $id . ':status', 172800, json_encode($statusPacket));
     }
 
     /**
@@ -98,7 +98,7 @@ class Status
             'status' => $status,
             'updated' => time(),
         ];
-        \Resque\Resque::redis()->set((string)$this, json_encode($statusPacket));
+        \Resque\Resque::redis()->setex((string)$this, 172800, json_encode($statusPacket));
 
         // Expire the status for completed jobs after 24 hours
         if (in_array($status, self::$completeStatuses)) {
diff --git a/src/Resque/Redis.php b/src/Resque/Redis.php
index 29830c4..4b3b610 100644
--- a/src/Resque/Redis.php
+++ b/src/Resque/Redis.php
@@ -163,6 +163,7 @@ class Redis
      * Note: the 'user' part of the DSN is not used.
      *
      * @param string $dsn A DSN string
+     *
      * @return array An array of DSN compotnents, with 'false' values for any unknown components. e.g.
      *               [host, port, db, user, pass, options]
      */
diff --git a/src/Resque/RedisException.php b/src/Resque/RedisException.php
index b2cad48..4318e18 100644
--- a/src/Resque/RedisException.php
+++ b/src/Resque/RedisException.php
@@ -12,5 +12,4 @@ namespace Resque;
 
 class RedisException extends \Exception
 {
-
 }
diff --git a/src/Resque/Worker.php b/src/Resque/Worker.php
index bcc68e7..93bd81e 100644
--- a/src/Resque/Worker.php
+++ b/src/Resque/Worker.php
@@ -149,6 +149,7 @@ class Worker
      *
      * @param int $interval How often to check for new jobs across the queues.
      * @param bool $blocking
+     *
      * @throws Resque_RedisException
      */
     public function work($interval = Resque::DEFAULT_INTERVAL, $blocking = false)
@@ -524,7 +525,7 @@ class Worker
             'run_at' => strftime('%a %b %d %H:%M:%S %Z %Y'),
             'payload' => $job->payload
         ]);
-        Resque::redis()->set('worker:' . $job->worker, $data);
+        Resque::redis()->setex('worker:' . $job->worker, 172800, $data);
     }
 
     /**
diff --git a/tests/Resque/Tests/JobTest.php b/tests/Resque/Tests/JobTest.php
index 148b82c..40c5506 100644
--- a/tests/Resque/Tests/JobTest.php
+++ b/tests/Resque/Tests/JobTest.php
@@ -397,7 +397,6 @@ class JobTest extends TestCase
 
 class SomeJobClass implements \Resque\Job\JobInterface
 {
-
     /**
      * @return bool
      */
@@ -409,7 +408,6 @@ class SomeJobClass implements \Resque\Job\JobInterface
 
 class Some_Stub_Factory implements \Resque\Job\FactoryInterface
 {
-
     /**
      * @param $className
      * @param array $args
diff --git a/tests/Resque/Tests/RedisTest.php b/tests/Resque/Tests/RedisTest.php
index 5f42a93..a1a3814 100644
--- a/tests/Resque/Tests/RedisTest.php
+++ b/tests/Resque/Tests/RedisTest.php
@@ -14,7 +14,7 @@ class RedisTest extends TestCase
 {
     public function testRedisGetSet()
     {
-        $this->redis->set("testKey", 24);
+        $this->redis->setex("testKey", 3600, 24);
         $val = $this->redis->get("testKey");
         $this->assertEquals(24, $val);
     }
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 51d9cef..4d3cf91 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -45,7 +45,6 @@ class TestJob
 
 class FailingJobException extends \Exception
 {
-
 }
 
 class FailingJob
@@ -58,7 +57,6 @@ class FailingJob
 
 class TestJobWithoutPerformMethod
 {
-
 }
 
 class TestJobWithSetUp
@@ -73,7 +71,6 @@ class TestJobWithSetUp
 
     public function perform()
     {
-
     }
 }
 
@@ -85,7 +82,6 @@ class TestJobWithTearDown
 
     public function perform()
     {
-
     }
 
     public function tearDown()