diff --git a/.github/workflows/test_eessi_container_script.yml b/.github/workflows/test_eessi_container_script.yml
index a940a86924..fc4cd01f48 100644
--- a/.github/workflows/test_eessi_container_script.yml
+++ b/.github/workflows/test_eessi_container_script.yml
@@ -17,7 +17,7 @@ jobs:
           uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # v3.1.0
 
         - name: Mount EESSI CernVM-FS pilot repository
-          uses: eessi/github-action-eessi@v2
+          uses: eessi/github-action-eessi@58b50fd2eead2162c2b9ac258d4fb60cc9f30503 # v2.0.13
 
         - name: install Apptainer
           run: |