diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index ca3ce9d..6c06aa6 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -22,7 +22,7 @@ jobs:
           coverage: "none"
 
       - name: "Install dependencies (Composer)"
-        uses: "ramsey/composer-install@v1"
+        uses: "ramsey/composer-install@v2"
 
       - name: "Check syntax (php-parallel-lint)"
         run: "composer lint -- --colors"
@@ -44,7 +44,7 @@ jobs:
           coverage: "none"
 
       - name: "Install dependencies (Composer)"
-        uses: "ramsey/composer-install@v1"
+        uses: "ramsey/composer-install@v2"
 
       - name: "Statically analyze code (PHPStan)"
         run: "composer phpstan -- --ansi"
@@ -84,7 +84,7 @@ jobs:
           ini-values: "memory_limit=-1"
 
       - name: "Install dependencies (Composer)"
-        uses: "ramsey/composer-install@v1"
+        uses: "ramsey/composer-install@v2"
 
       - name: "Run PHPBench"
         run: "composer phpbench -- --ansi"
@@ -110,7 +110,7 @@ jobs:
           ini-values: "memory_limit=-1"
 
       - name: "Install dependencies (Composer)"
-        uses: "ramsey/composer-install@v1"
+        uses: "ramsey/composer-install@v2"
         with:
           dependency-versions: "${{ matrix.dependencies }}"
 
@@ -162,7 +162,7 @@ jobs:
           ini-values: "memory_limit=-1"
 
       - name: "Install dependencies (Composer)"
-        uses: "ramsey/composer-install@v1"
+        uses: "ramsey/composer-install@v2"
         with:
           composer-options: "${{ matrix.composer-options }}"