diff --git a/treeherder/model/fixtures/repository.json b/treeherder/model/fixtures/repository.json
index 4f8c39e874e..6d48c5a4b04 100644
--- a/treeherder/model/fixtures/repository.json
+++ b/treeherder/model/fixtures/repository.json
@@ -1903,5 +1903,19 @@
       "repository_group": 11,
       "tc_root_url": "https://firefox-ci-tc.services.mozilla.com"
     }
+  },
+  {
+    "pk": 135,
+    "model": "model.repository",
+    "fields": {
+      "dvcs_type": "hg",
+      "name": "comm-release",
+      "url": "https://hg.mozilla.org/releases/comm-release",
+      "active_status": "active",
+      "codebase": "comm",
+      "repository_group": 8,
+      "description": "",
+      "tc_root_url": "https://firefox-ci-tc.services.mozilla.com"
+    }
   }
 ]
diff --git a/treeherder/webapp/api/utils.py b/treeherder/webapp/api/utils.py
index 04bd1c956f8..4b79ac80d52 100644
--- a/treeherder/webapp/api/utils.py
+++ b/treeherder/webapp/api/utils.py
@@ -7,11 +7,11 @@
 # queries are faster when filtering a range by id rather than name
 # trunk: mozilla-central, autoland
 # firefox-releases: mozilla-beta, mozilla-release
-# comm-releases: comm-beta
+# comm-releases: comm-beta, comm-release
 REPO_GROUPS = {
     'trunk': [1, 2, 77],
     'firefox-releases': [6, 7],
-    'comm-releases': [38],
+    'comm-releases': [38, 135],
 }