diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 17b254d5..cdb405a8 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -32,7 +32,7 @@ jobs:
       fail-fast: true
       matrix:
         php: [8.3, 8.4]
-        phpunit: ['12.0.0', '12.1.5']
+        phpunit: ['12.5.0', '12.5.8']
         stability: [prefer-lowest, prefer-stable]
         exclude:
           - php: 8.3
@@ -90,7 +90,7 @@ jobs:
       fail-fast: true
       matrix:
         php: [8.3, 8.4]
-        phpunit: ['12.0.0', '12.1.5']
+        phpunit: ['12.5.0', '12.5.8']
         stability: [prefer-lowest, prefer-stable]
         exclude:
           - php: 8.3
diff --git a/composer.json b/composer.json
index d499b831..6664c67f 100644
--- a/composer.json
+++ b/composer.json
@@ -38,7 +38,7 @@
   },
   "require-dev": {
     "mockery/mockery": "^1.6",
-    "phpunit/phpunit": "^12.1.5"
+    "phpunit/phpunit": "^12.5"
   },
   "autoload": {
     "psr-4": {