diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d0f2b00..cb4efae 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ on:
 env:
   # Common versions
   GO_VERSION: '1.25.14'
-  GOLANGCI_VERSION: 'v2.12.2'
+  GOLANGCI_VERSION: 'v2.13.1'
   DOCKER_BUILDX_VERSION: 'v0.36.1'
 
   # These environment variables are important to the Crossplane CLI install.sh
diff --git a/.golangci.yml b/.golangci.yml
index 733cdfc..063bc8a 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -62,6 +62,7 @@ linters:
     # useful in theory to catch fields that are accidentally omitted. Seems like
     # it would have many more false positives than useful catches, though.
     - exhaustruct
+    - exhaustruct_v5
 
     # Warns about TODO comments. The rationale being they should be issues
     # instead. We're okay with using TODO to track minor cleanups for next time
diff --git a/fn.go b/fn.go
index 14269a0..adf62ed 100644
--- a/fn.go
+++ b/fn.go
@@ -215,7 +215,7 @@ func (f *Function) RunFunction(_ context.Context, req *fnv1.RunFunctionRequest)
 	}
 
 	// Initialize the requirements.
-	requirements := &fnv1.Requirements{ExtraResources: make(map[string]*fnv1.ResourceSelector), Resources: make(map[string]*fnv1.ResourceSelector)}
+	requirements := &fnv1.Requirements{ExtraResources: make(map[string]*fnv1.ResourceSelector), Resources: make(map[string]*fnv1.ResourceSelector)} //nolint:staticcheck // continue supporting deprecated interface
 
 	// Override the TTL if specified in the observed composite.
 	if v, found := observedComposite.Resource.GetAnnotations()[annotationKeyTTL]; found {
diff --git a/fn_test.go b/fn_test.go
index 137d543..9a65169 100644
--- a/fn_test.go
+++ b/fn_test.go
@@ -1115,7 +1115,7 @@ func TestRunFunction(t *testing.T) {
 					Meta:    &fnv1.ResponseMeta{Ttl: durationpb.New(response.DefaultTTL)},
 					Results: []*fnv1.Result{},
 					Requirements: &fnv1.Requirements{
-						ExtraResources: map[string]*fnv1.ResourceSelector{
+						ExtraResources: map[string]*fnv1.ResourceSelector{ //nolint:staticcheck  // maintain support for deprecated interface
 							"cool-extra-resource": {
 								ApiVersion: "example.org/v1",
 								Kind:       "CoolExtraResource",
@@ -1731,7 +1731,7 @@ func TestRunFunction(t *testing.T) {
 						},
 					},
 					Requirements: &fnv1.Requirements{
-						ExtraResources: map[string]*fnv1.ResourceSelector{
+						ExtraResources: map[string]*fnv1.ResourceSelector{ //nolint:staticcheck  // maintain support for deprecated interface
 							"cool-extra-resource": {
 								ApiVersion: "example.org/v1",
 								Kind:       "CoolExtraResource",
@@ -1780,7 +1780,7 @@ func TestRunFunction(t *testing.T) {
 							}
 						}
 					}`),
-					ExtraResources: map[string]*fnv1.Resources{
+					ExtraResources: map[string]*fnv1.Resources{ //nolint:staticcheck  // maintain support for deprecated interface
 						"cool-extra-resource": {
 							Items: []*fnv1.Resource{
 								{
@@ -1835,7 +1835,7 @@ func TestRunFunction(t *testing.T) {
 						},
 					},
 					Requirements: &fnv1.Requirements{
-						ExtraResources: map[string]*fnv1.ResourceSelector{
+						ExtraResources: map[string]*fnv1.ResourceSelector{ //nolint:staticcheck  // maintain support for deprecated interface
 							"cool-extra-resource": {
 								ApiVersion: "example.org/v1",
 								Kind:       "CoolExtraResource",