diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f74cce559..07eb26a4c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -101,7 +101,7 @@ jobs:
         php-version: ${{ matrix.php }}
         extensions: ${{ env.extensions }}
         coverage: none
-        tools: composer:$COMPOSER_VERSION
+        tools: composer:${{ env.COMPOSER_VERSION }}
 
     - name: Install PHP (coverage)
       if: ${{ join(matrix.type) == 'coverage' }}
@@ -110,7 +110,7 @@ jobs:
         php-version: ${{ matrix.php }}
         extensions: ${{ env.extensions }}
         coverage: xdebug
-        tools: composer:$COMPOSER_VERSION
+        tools: composer:${{ env.COMPOSER_VERSION }}
 
     - name: Install PHP (profiling)
       if: ${{ join(matrix.type) == 'profiling' }}
@@ -119,7 +119,7 @@ jobs:
         php-version: ${{ matrix.php }}
         extensions: ${{ env.extensions }}, blackfire, :xdebug
         coverage: none
-        tools: blackfire, composer:$COMPOSER_VERSION
+        tools: blackfire, composer:${{ env.COMPOSER_VERSION }}
       env:
         BLACKFIRE_SERVER_ID: ${{ secrets.BLACKFIRE_SERVER_ID }}
         BLACKFIRE_SERVER_TOKEN: ${{ secrets.BLACKFIRE_SERVER_TOKEN }}
@@ -134,7 +134,7 @@ jobs:
         extensions: ${{ env.extensions }}
         ini-values: opcache.enable_cli=1, opcache.jit=tracing, opcache.jit_buffer_size=64M
         coverage: none
-        tools: composer:$COMPOSER_VERSION
+        tools: composer:${{ env.COMPOSER_VERSION }}
 
     - name: Cache Composer packages
       id: composer-cache