diff --git a/code-scanning/checkmarx.yml b/code-scanning/checkmarx.yml
index c0785da..96b9897 100644
--- a/code-scanning/checkmarx.yml
+++ b/code-scanning/checkmarx.yml
@@ -29,7 +29,7 @@ jobs:
     - uses: actions/checkout@v2
     # Runs the Checkmarx Scan leveraging the latest version of CxFlow - REFER to Action README for list of inputs
     - name: Checkmarx CxFlow Action
-      uses: checkmarx-ts/checkmarx-cxflow-github-action@master
+      uses: checkmarx-ts/checkmarx-cxflow-github-action@9975af7d6b957abec9ee9646effa3fb3b82c5314
       with:
         project: ${{ secrets.CHECKMARX_PROJECT }}
         team: ${{ secrets.CHECKMARX_TEAMS }}