diff --git a/app/Dockerfile b/app/Dockerfile
index 399ea15..108c9c9 100644
--- a/app/Dockerfile
+++ b/app/Dockerfile
@@ -2,7 +2,7 @@ FROM alpine:3.7
 
 # Some ENV variables
 ENV PATH="/mattermost/bin:${PATH}"
-ENV MM_VERSION=5.5.0
+ENV MM_VERSION=5.5.1
 
 # Build argument to set Mattermost edition
 ARG edition=enterprise
diff --git a/contrib/kubernetes/mattermost.deployment.yaml b/contrib/kubernetes/mattermost.deployment.yaml
index ebda4b2..1c8ba73 100644
--- a/contrib/kubernetes/mattermost.deployment.yaml
+++ b/contrib/kubernetes/mattermost.deployment.yaml
@@ -17,7 +17,7 @@ spec:
     spec:
       containers:
       - name: mattermost-app
-        image: "mattermost/mattermost-prod-app:5.5.0"
+        image: "mattermost/mattermost-prod-app:5.5.1"
         env:
         - name: DB_HOST
           valueFrom: