diff --git a/README.md b/README.md
index b01e9f4..0bb49db 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ jobs:
     steps:
       - name: Retrieve root ca certificate
         id: get-ca-cert
-        uses: RouxAntoine/get-ca-cert@master
+        uses: https://antoine-roux.tk/projects/actions/get-ca-cert@v1.1.0
       - run: |
           echo "${{ steps.get-ca-cert.outputs.ca-cert }}"
           echo "${{ steps.get-ca-cert.outputs.ca-cert-base64 }}"