diff --git a/cmd/flux/testdata/export/image-update.yaml b/cmd/flux/testdata/export/image-update.yaml
index 0d534482..0a3462c3 100644
--- a/cmd/flux/testdata/export/image-update.yaml
+++ b/cmd/flux/testdata/export/image-update.yaml
@@ -10,6 +10,10 @@ spec:
       author:
         email: fluxcdbot@users.noreply.github.com
         name: fluxcdbot
+      signingKey:
+        secretRef:
+          name: my-signing-key
+        type: ssh
   interval: 1m0s
   sourceRef:
     kind: GitRepository
diff --git a/cmd/flux/testdata/export/objects.yaml b/cmd/flux/testdata/export/objects.yaml
index 057470e5..7a905634 100644
--- a/cmd/flux/testdata/export/objects.yaml
+++ b/cmd/flux/testdata/export/objects.yaml
@@ -67,6 +67,10 @@ spec:
         email: fluxcdbot@users.noreply.github.com
         name: fluxcdbot
       messageTemplate: '{{range .Updated.Images}}{{println .}}{{end}}'
+      signingKey:
+        secretRef:
+          name: my-signing-key
+        type: ssh
   update:
     path: ./clusters/my-cluster
     strategy: Setters