diff --git a/pica-mattermost/Dockerfile b/pica-mattermost/Dockerfile
index 3e70f993be709137bafd3b2ccf77d01083fc67b0..50cedeba9738d12f31bebeb8e8ad4f149af7efff 100644
--- a/pica-mattermost/Dockerfile
+++ b/pica-mattermost/Dockerfile
@@ -4,7 +4,7 @@ FROM alpine:3.11
 ENV PATH="/mattermost/bin:${PATH}"
 
 # Picasoft : change these values. The team version is used by default
-ENV MM_VERSION=5.38.2
+ENV MM_VERSION=5.39.0
 # Get these ids with the output of `id mattermost` on the VM hosting the app
 ARG PUID=5000
 ARG PGID=5000
diff --git a/pica-mattermost/docker-compose.yml b/pica-mattermost/docker-compose.yml
index 950f4d65addce2f6dcb3305f6a9ee5458800825a..7f8334d2a59bb4f407329d2fb38a98eb4c1c1f4a 100644
--- a/pica-mattermost/docker-compose.yml
+++ b/pica-mattermost/docker-compose.yml
@@ -17,7 +17,7 @@ volumes:
 
 services:
   mattermost:
-    image: registry.picasoft.net/pica-mattermost:5.38.2
+    image: registry.picasoft.net/pica-mattermost:5.39.0
     build: .
     container_name: mattermost-app
     volumes: