--- a/toolkit/components/telemetry/Histograms.json
+++ b/toolkit/components/telemetry/Histograms.json
@@ -3929,17 +3929,17 @@
     "high": 1000000,
     "n_buckets": 50,
     "description": "How many speculative connections are made needlessly"
   },
   "TAB_COUNT": {
     "record_in_processes": ["main", "content"],
     "alert_emails": [],
     "bug_numbers": [1361855],
-    "expires_in_version": "60",
+    "expires_in_version": "65",
     "kind": "exponential",
     "high": 1000,
     "n_buckets": 100,
     "releaseChannelCollection": "opt-out",
     "description": "Number of tabs opened across all windows, collected at most every 5 minutes whenever the user interacts with the browser in the following ways: open tab/window, page load."
   },
   "TAP_TO_LOAD_IMAGE_SIZE": {
     "record_in_processes": ["main", "content"],