diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a142181..b3de84f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
 
         steps:
             -   name: Checkout code
-                uses: actions/checkout@v3
+                uses: actions/checkout@v4
 
             -   name: Setup PHP
                 uses: shivammathur/setup-php@v2
@@ -37,7 +37,7 @@ jobs:
                 run: echo "::set-output name=dir::$(composer config cache-dir)"
 
             -   name: Cache dependencies
-                uses: actions/cache@v3
+                uses: actions/cache@v4
                 with:
                     path: ${{ steps.composer-cache.outputs.dir }}
                     key: composer-${{ runner.os }}-${{ matrix.php-version }}-${{ hashFiles('**/composer.*') }}-${{ matrix.composer-flags }}
@@ -47,7 +47,7 @@ jobs:
                         composer-${{ runner.os }}-
                         composer-
             -   name: Install dependencies
-                uses: nick-invision/retry@v2
+                uses: nick-invision/retry@v3
                 with:
                     timeout_minutes: 5
                     max_attempts: 5
diff --git a/composer.json b/composer.json
index 51aabbc..c530626 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
   "require-dev": {
     "rem42/php-cs-fixer-config": "^3.4",
     "phpstan/phpstan": "^1.9",
-    "phpunit/phpunit": "^9.5"
+    "phpunit/phpunit": "^11.0"
   },
   "suggest": {
     "ext-json": "If you need to support JSON format",