--- a/toolkit/components/telemetry/Histograms.json
+++ b/toolkit/components/telemetry/Histograms.json
@@ -168,17 +168,17 @@
     "kind": "exponential",
     "high": 10000,
     "n_buckets": 50,
     "description": "The length of time (in milliseconds) for the subsequent opens of AudioStream."
   },
   "AUDIOSTREAM_BACKEND_USED": {
     "alert_emails": ["padenot@mozilla.com", "kinetik@flim.org"],
     "bug_numbers": [1280630],
-    "expires_in_version": "55",
+    "expires_in_version": "60",
     "kind": "enumerated",
     "n_values": 16,
     "description": "The operating system audio back-end used when successfully opening an audio stream, or whether the failure occurred on the first try or not <https://dxr.mozilla.org/mozilla-central/search?q=AUDIOSTREAM_BACKEND_ID_STR>",
     "releaseChannelCollection": "opt-out"
   },
   "AUSHELPER_CPU_ERROR_CODE": {
     "alert_emails": ["application-update-telemetry-alerts@mozilla.com"],
     "bug_numbers": [1296630],