diff --git a/chart/values.yaml b/chart/values.yaml
index 3ed0ebae9a5342c0b223f54f12e38998d04a73bd..28159d8bd30c2c6e8e4490752759b9569a4272d7 100644
--- a/chart/values.yaml
+++ b/chart/values.yaml
@@ -750,7 +750,7 @@ addons:
     git:
       repo: https://repo1.dso.mil/platform-one/big-bang/apps/collaboration-tools/mattermost.git
       path: "./chart"
-      tag: "0.1.4-bb.0"
+      tag: "0.1.5-bb.0"
 
     # -- Flux reconciliation overrides specifically for the Mattermost Package
     flux: {}