diff --git a/chart/values.yaml b/chart/values.yaml
index a2c448d8a08fa33c801a0048418cd39347ef3eb2..6d51c772e1fe870b689cdcbb78420c8e7b9105e7 100644
--- a/chart/values.yaml
+++ b/chart/values.yaml
@@ -1044,7 +1044,7 @@ addons:
     git:
       repo: https://repo1.dso.mil/platform-one/big-bang/apps/collaboration-tools/mattermost.git
       path: "./chart"
-      tag: "0.4.0-bb.2"
+      tag: "0.4.0-bb.3"
 
     # -- Flux reconciliation overrides specifically for the Mattermost Package
     flux: {}