diff --git a/charts/stable/mattermost/Chart.yaml b/charts/stable/mattermost/Chart.yaml
index 30b55da9d7c..29000e843a6 100644
--- a/charts/stable/mattermost/Chart.yaml
+++ b/charts/stable/mattermost/Chart.yaml
@@ -25,7 +25,7 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/mattermost
   - https://github.com/mattermost/mattermost-server
   - https://github.com/mattermost/docker
-version: 3.0.39
+version: 3.0.40
 annotations:
   truecharts.org/catagories: |
     - hosting
diff --git a/charts/stable/mattermost/values.yaml b/charts/stable/mattermost/values.yaml
index d6738b968ac..df7a0200d44 100644
--- a/charts/stable/mattermost/values.yaml
+++ b/charts/stable/mattermost/values.yaml
@@ -1,6 +1,6 @@
 image:
   repository: tccr.io/truecharts/mattermost
-  tag: v6.3@sha256:2c8f1590d1ca58862bc008db4df1f016d617384689b643b28f2dab99151abf14
+  tag: 7.3@sha256:f8b749bafe3d6093cc77e79036102bd8f665f6a5e88801cc5e26b36118381282
   pullPolicy: IfNotPresent
 
 env: