--- a/toolkit/components/telemetry/Histograms.json
+++ b/toolkit/components/telemetry/Histograms.json
@@ -8487,20 +8487,20 @@
     "kind": "exponential",
     "high": 10000,
     "n_buckets": 1000,
     "description": "The time (in milliseconds) that it took to display a selected source to the user."
   },
   "DEVTOOLS_DEBUGGER_LOAD_SOURCE_MS": {
     "record_in_processes": ["main", "content"],
     "alert_emails": ["dev-developer-tools@lists.mozilla.org", "hkirschner@mozilla.com"],
-    "bug_numbers": [1429047],
+    "bug_numbers": [1429047, 1436039],
     "expires_in_version": "66",
     "kind": "exponential",
-    "high": 10000,
+    "high": 20000,
     "n_buckets": 100,
     "description": "The time (in milliseconds) that it took to load a source for the user."
   },
   "DEVTOOLS_ABOUT_DEVTOOLS_OPENED_KEY": {
     "record_in_processes": ["main"],
     "alert_emails": ["dev-developer-tools@lists.mozilla.org", "hkirschner@mozilla.com"],
     "bug_numbers": [1412029],
     "expires_in_version": "63",