diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e066918..6dc0c18 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,7 +13,7 @@ jobs:
                 container: ubuntu:24.04
                 steps:
                         - name: Checkout
-                          uses: actions/checkout@v4
+                          uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
 
                         - name: Prepare environment
                           shell: bash