diff --git a/github/copilot_cloud_agent.go b/github/copilot_cloud_agent.go
index b323af5efc8..dcef427f909 100644
--- a/github/copilot_cloud_agent.go
+++ b/github/copilot_cloud_agent.go
@@ -36,7 +36,7 @@ type CopilotCloudAgentEnabledTools struct {
 func (s *CopilotService) GetCloudAgentConfiguration(ctx context.Context, owner, repo string) (*CopilotCloudAgentConfiguration, *Response, error) {
 	u := fmt.Sprintf("repos/%v/%v/copilot/cloud-agent/configuration", owner, repo)
 
-	req, err := s.client.NewRequest(ctx, "GET", u, nil)
+	req, err := s.client.NewRequest(ctx, "GET", u, nil, WithVersion(api20260310))
 	if err != nil {
 		return nil, nil, err
 	}
diff --git a/github/copilot_cloud_agent_test.go b/github/copilot_cloud_agent_test.go
index f29cedad554..43357147e43 100644
--- a/github/copilot_cloud_agent_test.go
+++ b/github/copilot_cloud_agent_test.go
@@ -157,6 +157,7 @@ func TestCopilotService_GetCloudAgentConfiguration(t *testing.T) {
 
 			mux.HandleFunc("/repos/o/r/copilot/cloud-agent/configuration", func(w http.ResponseWriter, r *http.Request) {
 				testMethod(t, r, "GET")
+				testHeader(t, r, "X-Github-Api-Version", api20260310)
 				fmt.Fprint(w, tt.responseBody)
 			})