diff --git a/.github/workflows/bench.yml b/.github/workflows/bench.yml
index 0d97b2b..43625f9 100644
--- a/.github/workflows/bench.yml
+++ b/.github/workflows/bench.yml
@@ -12,5 +12,5 @@ jobs:
 
     - name: Run Linter
       run: |
-        docker run --rm -v $PWD:/app composer sh -c \
+        docker run --rm -v $PWD:/app composer:2.6 sh -c \
         "composer install --profile --ignore-platform-reqs && git config --global --add safe.directory /app && composer bench -- --progress=plain"