diff --git a/chart/values.yaml b/chart/values.yaml
index 2e5a83344edd7518051564a386883a4dbe7ceb61..3a2c5ee3acd268fe6bbcaeaf044d321002593a3a 100644
--- a/chart/values.yaml
+++ b/chart/values.yaml
@@ -1643,11 +1643,11 @@ addons:
     git:
       repo: https://repo1.dso.mil/big-bang/product/packages/mattermost.git
       path: "./chart"
-      tag: "9.9.0-bb.1"
+      tag: "9.9.0-bb.4"
     helmRepo:
       repoName: "registry1"
       chartName: "mattermost"
-      tag: "9.9.0-bb.1"
+      tag: "9.9.0-bb.4"
 
     # -- Flux reconciliation overrides specifically for the Mattermost Package
     flux: {}