diff --git a/contrib/findmissing/common.py b/contrib/findmissing/common.py
index feb71c9..3beecd8 100755
--- a/contrib/findmissing/common.py
+++ b/contrib/findmissing/common.py
@@ -33,7 +33,7 @@
 
 # Order BRANCHES from oldest to newest
 CHROMEOS_BRANCHES = ['4.4', '4.14', '4.19', '5.4']
-STABLE_BRANCHES = ['4.4', '4.9', '4.14', '4.19', '5.4', '5.7']
+STABLE_BRANCHES = ['4.4', '4.9', '4.14', '4.19', '5.4', '5.7', '5.8']
 
 UPSTREAM_START_BRANCH = 'v%s' % CHROMEOS_BRANCHES[0]