diff --git a/.github/workflows/static-analysis.yml b/.github/workflows/static-analysis.yml
index 71abd62..61918ca 100644
--- a/.github/workflows/static-analysis.yml
+++ b/.github/workflows/static-analysis.yml
@@ -38,7 +38,7 @@ jobs:
                     coverage: none # disable xdebug, pcov
 
             -   name: Composer install
-                uses: ramsey/composer-install@v3
+                uses: ramsey/composer-install@v4
                 with:
                     composer-options: '--ansi --prefer-dist'
 
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 053b783..7d66a1b 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -37,7 +37,7 @@ jobs:
                     coverage: none # disable xdebug, pcov
 
             -   name: Composer install
-                uses: ramsey/composer-install@v3
+                uses: ramsey/composer-install@v4
                 with:
                     composer-options: '--ansi --prefer-dist'