diff --git a/.github/workflows/agentops-watchdog.yml b/.github/workflows/agentops-watchdog.yml
index 2f2168ca..dce3db2d 100644
--- a/.github/workflows/agentops-watchdog.yml
+++ b/.github/workflows/agentops-watchdog.yml
@@ -47,7 +47,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Azure login (OIDC)
-        uses: azure/login@v3
+        uses: azure/login@a641126d1b8aa4d1fa005f4f92df94a3a4c4c906 # v3.1.0
         with:
           client-id: ${{ vars.AZURE_CLIENT_ID }}
           tenant-id: ${{ vars.AZURE_TENANT_ID }}