diff --git a/.github/workflows/continuous-integration.yaml b/.github/workflows/continuous-integration.yaml
index c57e1e9..46a7917 100644
--- a/.github/workflows/continuous-integration.yaml
+++ b/.github/workflows/continuous-integration.yaml
@@ -42,7 +42,7 @@ jobs:
           tools: composer:v2, cs2pr
 
       - name: "install dependencies"
-        uses: "ramsey/composer-install@3.1.1"
+        uses: "ramsey/composer-install@4.0.0"
         with:
           dependency-versions: "${{ matrix.dependencies }}"
 
@@ -75,7 +75,7 @@ jobs:
           ini-values: memory_limit=-1, zend.assertions=1
 
       - name: "install dependencies"
-        uses: "ramsey/composer-install@3.1.1"
+        uses: "ramsey/composer-install@4.0.0"
         with:
           dependency-versions: "${{ matrix.dependencies }}"
 
@@ -112,7 +112,7 @@ jobs:
           tools: composer:v2, cs2pr, php-cs-fixer
 
       - name: "install dependencies"
-        uses: "ramsey/composer-install@3.1.1"
+        uses: "ramsey/composer-install@4.0.0"
         with:
           dependency-versions: "${{ matrix.dependencies }}"