diff --git a/EnvelopeGenerator.API/yarp.json b/EnvelopeGenerator.API/yarp.json
index 3ca15072..954846a3 100644
--- a/EnvelopeGenerator.API/yarp.json
+++ b/EnvelopeGenerator.API/yarp.json
@@ -39,7 +39,12 @@
         "Match": {
           "Path": "{**catch-all}",
           "Methods": [ "GET", "HEAD" ]
-        }
+        },
+        "Transforms": [
+          { "ResponseHeader": "Cache-Control", "Set": "no-cache, no-store, must-revalidate", "When": "Always" },
+          { "ResponseHeader": "Pragma", "Set": "no-cache", "When": "Always" },
+          { "ResponseHeader": "Expires", "Set": "0", "When": "Always" }
+        ]
       },
       "receiver-ui-annotation-fake": {
         "ClusterId": "receiver-ui",