diff --git a/go.mod b/go.mod
index b0a42ca557..670a59d58e 100644
--- a/go.mod
+++ b/go.mod
@@ -11,7 +11,7 @@ require (
 	github.com/google/go-cmp v0.7.0
 	github.com/google/go-containerregistry v0.21.6
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
-	github.com/kptdev/krm-functions-sdk/go/fn v1.0.2
+	github.com/kptdev/krm-functions-sdk/go/fn v1.0.3
 	github.com/otiai10/copy v1.14.1
 	github.com/philopon/go-toposort v0.0.0-20170620085441-9be86dbd762f
 	github.com/pkg/errors v0.9.1
diff --git a/go.sum b/go.sum
index 8b32c380e9..1b2e9b4356 100644
--- a/go.sum
+++ b/go.sum
@@ -110,8 +110,8 @@ github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnr
 github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
 github.com/klauspost/compress v1.18.6 h1:2jupLlAwFm95+YDR+NwD2MEfFO9d4z4Prjl1XXDjuao=
 github.com/klauspost/compress v1.18.6/go.mod h1:cwPg85FWrGar70rWktvGQj8/hthj3wpl0PGDogxkrSQ=
-github.com/kptdev/krm-functions-sdk/go/fn v1.0.2 h1:g9N6SW5axEXMagUbHliH14XpfvvvwkAVDLcN3ApVh2M=
-github.com/kptdev/krm-functions-sdk/go/fn v1.0.2/go.mod h1:NSfdmtQ9AwNg5wdS9gE/H9SQs7Vomzq7E7N9hyEju1U=
+github.com/kptdev/krm-functions-sdk/go/fn v1.0.3 h1:Gmkqbc2cbwJxamVoRSs409TZinuNGZaMYmNmlQcF6Bs=
+github.com/kptdev/krm-functions-sdk/go/fn v1.0.3/go.mod h1:+MgNIVQMGs6WcNhQZYIbgFINnmskX8VMYcUvJBtE01M=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
diff --git a/pkg/fn/runtime/container_test.go b/pkg/fn/runtime/container_test.go
index ad523cfdd6..8495696d3b 100644
--- a/pkg/fn/runtime/container_test.go
+++ b/pkg/fn/runtime/container_test.go
@@ -36,9 +36,44 @@ func TestContainerFn(t *testing.T) {
 		err    bool
 	}{
 		{
-			name:   "no-op function",
-			image:  "ghcr.io/kptdev/krm-functions-catalog/no-op:latest",
-			output: "apiVersion: v1\nkind: ResourceList\nmetadata:\n  name: output\nitems: []\n",
+			name:  "no-op function",
+			image: "ghcr.io/kptdev/krm-functions-catalog/no-op:latest",
+			input: `apiVersion: config.kubernetes.io/v1
+kind: ResourceList
+items:
+  - apiVersion: apps/v1
+    kind: Deployment
+    metadata:
+      name: nginx-deployment
+      annotations:
+        internal.config.kubernetes.io/index: '0'
+        internal.config.kubernetes.io/path: 'deployment.yaml'
+  - apiVersion: v1
+    kind: Service
+    metadata:
+      name: nginx-svc
+      annotations:
+        internal.config.kubernetes.io/index: '0'
+        internal.config.kubernetes.io/path: 'svc.yaml'
+`,
+			output: `apiVersion: config.kubernetes.io/v1
+kind: ResourceList
+items:
+- apiVersion: apps/v1
+  kind: Deployment
+  metadata:
+    name: nginx-deployment
+    annotations:
+      internal.config.kubernetes.io/index: '0'
+      internal.config.kubernetes.io/path: 'deployment.yaml'
+- apiVersion: v1
+  kind: Service
+  metadata:
+    name: nginx-svc
+    annotations:
+      internal.config.kubernetes.io/index: '0'
+      internal.config.kubernetes.io/path: 'svc.yaml'
+`,
 		},
 		{
 			name:  "non-existing image",