diff --git a/.github/workflows/UNIT-TEST-RUN-WORKFLOW-DISPATCH.yml b/.github/workflows/UNIT-TEST-RUN-WORKFLOW-DISPATCH.yml
index 7417d5c63..6efc16c8d 100644
--- a/.github/workflows/UNIT-TEST-RUN-WORKFLOW-DISPATCH.yml
+++ b/.github/workflows/UNIT-TEST-RUN-WORKFLOW-DISPATCH.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: [self-hosted, maximus-unit-test-os]
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2.7.0
         with:
           fetch-depth: 0