diff --git a/.github/workflows/coding-standard.yml b/.github/workflows/coding-standard.yml
index 45ca294..e32ac80 100644
--- a/.github/workflows/coding-standard.yml
+++ b/.github/workflows/coding-standard.yml
@@ -34,7 +34,7 @@ jobs:
           php-version: "${{ matrix.php-version }}"
           ini-values: memory_limit=-1
 
-      - uses: ramsey/composer-install@3.2.1
+      - uses: ramsey/composer-install@4.0.0
         with:
           dependency-versions: ${{ matrix.dependencies }}
 
diff --git a/.github/workflows/mutation-tests-diff.yml b/.github/workflows/mutation-tests-diff.yml
index 71be29d..a76343c 100644
--- a/.github/workflows/mutation-tests-diff.yml
+++ b/.github/workflows/mutation-tests-diff.yml
@@ -34,7 +34,7 @@ jobs:
                   ini-values: memory_limit=-1
                   extensions: pdo_sqlite
 
-            - uses: ramsey/composer-install@3.2.1
+            - uses: ramsey/composer-install@4.0.0
               with:
                   dependency-versions: ${{ matrix.dependencies }}
 
diff --git a/.github/workflows/mutation-tests.yml b/.github/workflows/mutation-tests.yml
index 6355ac3..8e6f3f0 100644
--- a/.github/workflows/mutation-tests.yml
+++ b/.github/workflows/mutation-tests.yml
@@ -36,7 +36,7 @@ jobs:
                   ini-values: memory_limit=-1
                   extensions: pdo_sqlite
 
-            - uses: ramsey/composer-install@3.2.1
+            - uses: ramsey/composer-install@4.0.0
               with:
                 dependency-versions: ${{ matrix.dependencies }}
 
diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
index 374311d..36ccf11 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -34,7 +34,7 @@ jobs:
           php-version: "${{ matrix.php-version }}"
           ini-values: memory_limit=-1
 
-      - uses: ramsey/composer-install@3.2.1
+      - uses: ramsey/composer-install@4.0.0
         with:
           dependency-versions: ${{ matrix.dependencies }}
 
diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index eb65dfa..15fe285 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -47,7 +47,7 @@ jobs:
           ini-values: memory_limit=-1
           extensions: pdo_sqlite
 
-      - uses: ramsey/composer-install@3.2.1
+      - uses: ramsey/composer-install@4.0.0
         with:
           dependency-versions: ${{ matrix.dependencies }}