diff --git a/.github/actions/iota-sandbox/setup/action.yml b/.github/actions/iota-sandbox/setup/action.yml
index f37fb968c7..1f63692215 100644
--- a/.github/actions/iota-sandbox/setup/action.yml
+++ b/.github/actions/iota-sandbox/setup/action.yml
@@ -23,7 +23,7 @@ runs:
     - name: Cache Docker images
       uses: ScribeMD/docker-cache@e481e638abdb45e2fa30845305c387a544cc617f #0.3.7
       with:
-        key: docker-sandbox-${{ hashFiles('iota-sandbox/**/*.yml') }}
+        key: docker-sandbox-${{ hashFiles('iota-sandbox/sandbox/docker-compose.yml') }}
     
     - name: Setup iota sandbox
       shell: bash