diff --git a/.github/workflows/wp-compatibility-test.yml b/.github/workflows/wp-compatibility-test.yml
index 8163ae6..e218961 100644
--- a/.github/workflows/wp-compatibility-test.yml
+++ b/.github/workflows/wp-compatibility-test.yml
@@ -131,7 +131,7 @@ jobs:
           tools: composer:v2, phpcs
 
       - name: Install Composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
         with:
           dependency-versions: highest
           composer-options: "--prefer-dist --no-progress"
@@ -186,7 +186,7 @@ jobs:
           tools: composer:v2, phpcs
 
       - name: Install Composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
         with:
           dependency-versions: highest
           composer-options: "--prefer-dist --no-progress"
@@ -395,7 +395,7 @@ jobs:
           tools: composer:v2
 
       - name: Install Composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
         with:
           dependency-versions: highest
           composer-options: "--prefer-dist --no-progress"
@@ -460,7 +460,7 @@ jobs:
           tools: composer:v2
 
       - name: Install Composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
         with:
           dependency-versions: highest
           composer-options: "--prefer-dist --no-progress"
@@ -620,7 +620,7 @@ jobs:
         run: composer config --unset platform.php
 
       - name: Install Composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
         with:
           dependency-versions: highest
           composer-options: "--prefer-dist --no-progress"