diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
index b777f4ea0..702860569 100644
--- a/.github/workflows/copilot-setup-steps.yml
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -33,7 +33,7 @@ jobs:
           path: |
             ~/.cache/composer/files
             ~/.cache/composer/vcs
-          key: "composer-v2-cache-${{ inputs.php }}-${{ hashFiles('./composer.lock') }}"
+          key: "composer-v2-cache-8.3-${{ hashFiles('./composer.lock') }}"
           restore-keys: |
             composer-v2-cache-