diff --git a/CHANGELOG.md b/CHANGELOG.md
index 30b52fc36839090d712d22f1d57f171854d284bb_Q0hBTkdFTE9HLm1k..d9fcd8556fea50e81aae9772db6419638674f7d6_Q0hBTkdFTE9HLm1k 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -56,6 +56,13 @@
 - Let users expose Mattermost host if installed on other server  2aec8f66
 - Make gitlab.rb template file scraping friendly 92e5eedf
 
+8.15.7
+- Update Mattermost to 3.5.3 to patch a security vulnerability
+
+8.15.6
+- Pin bundler version to 1.13.7 to avoid breaking changes
+- Update Mattermost to 3.5.2 to patch a XSS vulnerability
+
 8.15.5
 
 - No changes
@@ -96,6 +103,15 @@
 - Update libcurl to 7.52.0 ea11a83
 - Add EE sidekiq_cluster configurable for setting up extra Sidekiq processes
 
+8.14.10
+- Update Mattermost to 3.5.3 to patch a security vulnerability
+
+8.14.9
+- Pin bundler version to 1.13.7 to avoid breaking changes
+
+8.14.8
+- Update Mattermost to 3.5.2 to patch a XSS vulnerability
+
 8.14.7
 
 - No changes