diff --git a/contrib/findmissing/common.py b/contrib/findmissing/common.py
index 2fba9bb..7c97776 100755
--- a/contrib/findmissing/common.py
+++ b/contrib/findmissing/common.py
@@ -32,8 +32,8 @@
 CHROMIUM_REVIEW_BASEURL = 'https://chromium-review.googlesource.com/a'
 
 # Order BRANCHES from oldest to newest
-CHROMEOS_BRANCHES = ['4.4', '4.14', '4.19', '5.4', '5.10']
-STABLE_BRANCHES = ['4.4', '4.9', '4.14', '4.19', '5.4', '5.10', '5.11']
+CHROMEOS_BRANCHES = ['4.4', '4.14', '4.19', '5.4', '5.10', '5.15']
+STABLE_BRANCHES = ['4.4', '4.9', '4.14', '4.19', '5.4', '5.10', '5.15']
 
 UPSTREAM_START_BRANCH = 'v%s' % CHROMEOS_BRANCHES[0]