diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index 37428da..5006338 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -41,7 +41,7 @@ jobs:
           ini-values: memory_limit=-1
 
       - name: "Install dependencies"
-        uses: "ramsey/composer-install@v2"
+        uses: "ramsey/composer-install@v4"
         with:
           dependency-versions: "${{ matrix.dependencies }}"
 
@@ -77,7 +77,7 @@ jobs:
           ini-values: memory_limit=-1
 
       - name: "Install dependencies"
-        uses: "ramsey/composer-install@v2"
+        uses: "ramsey/composer-install@v4"
         with:
           dependency-versions: "${{ matrix.dependencies }}"
 
@@ -110,7 +110,7 @@ jobs:
           ini-values: memory_limit=-1
 
       - name: "Install dependencies"
-        uses: "ramsey/composer-install@v2"
+        uses: "ramsey/composer-install@v4"
         with:
           dependency-versions: "${{ matrix.dependencies }}"
 
diff --git a/.github/workflows/test-coverage.yml b/.github/workflows/test-coverage.yml
index acfa2a5..ea04a18 100644
--- a/.github/workflows/test-coverage.yml
+++ b/.github/workflows/test-coverage.yml
@@ -22,7 +22,7 @@ jobs:
           ini-values: memory_limit=-1
 
       - name: "Install dependencies"
-        uses: "ramsey/composer-install@v2"
+        uses: "ramsey/composer-install@v4"
 
       - name: "Tests"
         run: "vendor/bin/phpunit --coverage-clover=coverage.clover"