diff --git a/.github/workflows/code-style.yml b/.github/workflows/code-style.yml
index 25c2dfb..c796931 100644
--- a/.github/workflows/code-style.yml
+++ b/.github/workflows/code-style.yml
@@ -63,7 +63,7 @@ jobs:
       # Install dependencies and handle caching in one go.
       # @link https://github.com/marketplace/actions/install-composer-dependencies
       - name: Install Composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
         with:
           # Use a reproducible, unique suffix from the run id to avoid shell evaluation problems.
           custom-cache-suffix: ${{ github.run_id }}
diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index f0b4846..baae962 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -59,7 +59,7 @@ jobs:
           tools: composer
 
       - name: Install Composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
         with:
           composer-options: '--no-dev --prefer-dist --optimize-autoloader'
 
diff --git a/.github/workflows/frontend.yml b/.github/workflows/frontend.yml
index b6b8aa0..595b7f4 100644
--- a/.github/workflows/frontend.yml
+++ b/.github/workflows/frontend.yml
@@ -62,7 +62,7 @@ jobs:
           cache: npm
 
       - name: Install production Composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
         with:
           composer-options: '--no-dev --prefer-dist --optimize-autoloader'
 
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index a91b81b..9f6d4c7 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -50,7 +50,7 @@ jobs:
       # Install dependencies and handle caching in one go.
       # @link https://github.com/marketplace/actions/install-composer-dependencies
       - name: Install Composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
         with:
           # Use run id so no shell-specific date expansion is required here.
           custom-cache-suffix: ${{ github.run_id }}
diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
index 6138737..6d62a67 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -30,7 +30,7 @@ jobs:
           tools: composer
 
       - name: Install PHP dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
         with:
           composer-options: '--prefer-dist --no-scripts'
 
diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 5bbf31a..9cbf5ca 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -56,7 +56,7 @@ jobs:
         run: composer validate --no-check-publish
 
       - name: Install Composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
         with:
           composer-options: '--prefer-dist'
 
diff --git a/.github/workflows/prerelease.yml b/.github/workflows/prerelease.yml
index e6923a0..236de3c 100644
--- a/.github/workflows/prerelease.yml
+++ b/.github/workflows/prerelease.yml
@@ -22,7 +22,7 @@ jobs:
           tools: composer
 
       - name: Install composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
         with:
           composer-options: '--no-dev --prefer-dist --optimize-autoloader'
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5418e8d..2bb3c93 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,7 +22,7 @@ jobs:
           tools: composer
 
       - name: Install composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
         with:
           composer-options: '--no-dev --prefer-dist --optimize-autoloader'