diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index d6b306c..20b2b37 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -37,7 +37,7 @@ jobs:
           coverage: "none"
 
       - name: "Install dependencies (Composer)"
-        uses: "ramsey/composer-install@v3"
+        uses: "ramsey/composer-install@v4"
 
       - name: "Check syntax (php-parallel-lint)"
         run: "composer dev:lint:syntax"
@@ -60,7 +60,7 @@ jobs:
           coverage: "none"
 
       - name: "Install dependencies (Composer)"
-        uses: "ramsey/composer-install@v3"
+        uses: "ramsey/composer-install@v4"
 
       - name: "Statically analyze code (PHPStan)"
         run: "composer dev:analyze:phpstan"
@@ -81,7 +81,7 @@ jobs:
           coverage: "xdebug"
 
       - name: "Install dependencies (Composer)"
-        uses: "ramsey/composer-install@v3"
+        uses: "ramsey/composer-install@v4"
 
       - name: "Run unit tests (PHPUnit)"
         run: "composer dev:test:coverage:ci"
@@ -116,7 +116,7 @@ jobs:
           coverage: "none"
 
       - name: "Install dependencies (Composer)"
-        uses: "ramsey/composer-install@v3"
+        uses: "ramsey/composer-install@v4"
 
       - name: "Run unit tests (PHPUnit)"
         run: "composer dev:test:unit"