diff --git a/toolkit/components/telemetry/Histograms.json b/toolkit/components/telemetry/Histograms.json
index 9b3bfdf12274..720474f6b62c 100644
--- a/toolkit/components/telemetry/Histograms.json
+++ b/toolkit/components/telemetry/Histograms.json
@@ -1184,7 +1184,7 @@
     "description": "Whether a HTTP transaction routed via Alt-Svc was scheme=http"
   },
   "HTTP_WAP_CONTENT_TYPE_RECEIVED": {
-    "expires_in_version": "40",
+    "expires_in_version": "45",
     "kind": "boolean",
     "description": "Whether a WAP content type response is served to the browser."
   },