diff --git a/test/conformance/chainsaw/sigstore-custom-tuf/sigstore-image-verification-test/pod.yaml b/test/conformance/chainsaw/sigstore-custom-tuf/sigstore-image-verification-test/pod.yaml
index fb3763d4f2..84da5127b8 100755
--- a/test/conformance/chainsaw/sigstore-custom-tuf/sigstore-image-verification-test/pod.yaml
+++ b/test/conformance/chainsaw/sigstore-custom-tuf/sigstore-image-verification-test/pod.yaml
@@ -5,6 +5,6 @@ metadata:
   namespace: default
 spec:
   containers:
-  - image: ghcr.io/nirmata/github-signing-demo:latest
+  - image: ghcr.io/nirmata/github-signing-demo@sha256:072be10d1892bbf31e3c273ea5b2be9d7e5839c5a84f1daf5b4d90e766dd9343
     name: test-container