diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a6eb00d..4ed3092 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -23,6 +23,7 @@ jobs:
           - '7.1'
           - '7.0'
         phpunit-version:
+          - '11.0.0'
           - '10.5.0'
           - '10.4.0'
           - '10.3.0'
@@ -148,6 +149,8 @@ jobs:
             phpunit-version: '6.0.0'
 
           # PHP 8.1 Exclusions
+          - php-version: '8.1'
+            phpunit-version: '11.0.0'
           - php-version: '8.1'
             phpunit-version: '9.4.0'
           - php-version: '8.1'
@@ -194,6 +197,8 @@ jobs:
             phpunit-version: '6.0.0'
 
           # PHP 8.0 Exclusions
+          - php-version: '8.0'
+            phpunit-version: '11.0.0'
           - php-version: '8.0'
             phpunit-version: '10.5.0'
           - php-version: '8.0'
@@ -248,6 +253,8 @@ jobs:
             phpunit-version: '6.0.0'
             
           # PHP 7.4 Exclusions
+          - php-version: '7.4'
+            phpunit-version: '11.0.0'
           - php-version: '7.4'
             phpunit-version: '10.5.0'
           - php-version: '7.4'
@@ -288,6 +295,8 @@ jobs:
             phpunit-version: '6.0.0'
 
           # PHP 7.3 Exclusions
+          - php-version: '7.3'
+            phpunit-version: '11.0.0'
           - php-version: '7.3'
             phpunit-version: '10.5.0'
           - php-version: '7.3'
@@ -302,6 +311,8 @@ jobs:
             phpunit-version: '10.0.0'
           
           # PHP 7.2 Exclusions
+          - php-version: '7.2'
+            phpunit-version: '11.0.0'
           - php-version: '7.2'
             phpunit-version: '10.5.0'
           - php-version: '7.2'
@@ -330,6 +341,8 @@ jobs:
             phpunit-version: '9.0.0'
           
           # PHP 7.1 Exclusions
+          - php-version: '7.1'
+            phpunit-version: '11.0.0'
           - php-version: '7.1'
             phpunit-version: '10.5.0'
           - php-version: '7.1'
@@ -370,6 +383,8 @@ jobs:
             phpunit-version: '8.0.0'
       
           # PHP 7.0 Exclusions
+          - php-version: '7.0'
+            phpunit-version: '11.0.0'
           - php-version: '7.0'
             phpunit-version: '10.5.0'
           - php-version: '7.0'
diff --git a/composer.json b/composer.json
index 5c64c89..c09b6a9 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     },
     "require": {
         "php": ">=7",
-        "phpunit/phpunit": "^6 || ^7 || ^8 || ^9 || ^10.0.17",
+        "phpunit/phpunit": "^6 || ^7 || ^8 || ^9 || ^10.0.17 || ^11",
         "php-mock/php-mock-integration": "^2.2.1"
     },
     "require-dev": {