diff --git a/.github/workflows/scheduled_job.yaml b/.github/workflows/scheduled_job.yaml
index 03fc087..fc3eefb 100644
--- a/.github/workflows/scheduled_job.yaml
+++ b/.github/workflows/scheduled_job.yaml
@@ -32,7 +32,7 @@ jobs:
           BACKEND: "http://apache:80"
     steps:          
       - name: Nuclei - Vulnerability Scan
-        uses: projectdiscovery/nuclei-action@v2.0.1
+        uses: projectdiscovery/nuclei-action@6a69b5015a4059e8804afcb33ff5e56bfd546908 # v2.0.1
         with:
           target: "http://127.0.0.1:8080"
           flags: "-t http/cves -type http -stats -ni -sresp"