--- a/toolkit/components/telemetry/Histograms.json
+++ b/toolkit/components/telemetry/Histograms.json
@@ -10678,17 +10678,17 @@
     "bug_numbers": [1242013],
     "kind": "linear",
     "high": 100,
     "n_buckets": 50,
     "description": "Position in (theoretical) tab cache of tab being switched to"
   },
   "REMOTE_JAR_PROTOCOL_USED": {
     "alert_emails": ["dev-platform@lists.mozilla.org"],
-    "expires_in_version": "55",
+    "expires_in_version": "60",
     "bug_numbers": [1255934],
     "kind": "count",
     "description": "Remote JAR protocol usage"
   },
   "MEDIA_DECODER_BACKEND_USED": {
     "alert_emails": ["danderson@mozilla.com"],
     "bug_numbers": [1259695],
     "expires_in_version": "never",