diff --git a/step-certificates/templates/tests/test-connection.yaml b/step-certificates/templates/tests/test-connection.yaml
index a698d35..68c0f92 100644
--- a/step-certificates/templates/tests/test-connection.yaml
+++ b/step-certificates/templates/tests/test-connection.yaml
@@ -10,7 +10,7 @@ metadata:
 spec:
   containers:
     - name: curl
-      image: alpine/curl
+      image: alpine/curl:8.10.0
       command:
         - 'curl'
       args: