diff --git a/modules/apigee_edge_teams/src/Controller/TeamAppKeysController.php b/modules/apigee_edge_teams/src/Controller/TeamAppKeysController.php
index 2fa31d8d..b3545b09 100644
--- a/modules/apigee_edge_teams/src/Controller/TeamAppKeysController.php
+++ b/modules/apigee_edge_teams/src/Controller/TeamAppKeysController.php
@@ -46,7 +46,7 @@ public function teamAppKeys($team, $app): JsonResponse {
         $payload = $this->getAppKeys($app_storage->load($app_id));
       }
     }
-    return new JsonResponse($payload);
+    return new JsonResponse($payload, 200, ['Cache-Control' => 'must-understand, no-store']);
   }
 
 }
diff --git a/src/Controller/DeveloperAppKeysController.php b/src/Controller/DeveloperAppKeysController.php
index 01e337d5..7c46e1a4 100644
--- a/src/Controller/DeveloperAppKeysController.php
+++ b/src/Controller/DeveloperAppKeysController.php
@@ -76,7 +76,7 @@ public function developerAppKeys($user, $app): JsonResponse {
         }
       }
     }
-    return new JsonResponse($payload);
+    return new JsonResponse($payload, 200, ['Cache-Control' => 'must-understand, no-store']);
   }
 
   /**