diff --git a/conf/app.src b/conf/app.src
index c6834d4..0d2949a 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,6 +1,6 @@
-SOURCE_URL=https://releases.mattermost.com/5.21.0/mattermost-5.21.0-linux-amd64.tar.gz
-SOURCE_SUM=909b17498139cd511d4e5483e2b7be0b757ac28ea5063be9c3d82cbe49b4a696
+SOURCE_URL=https://releases.mattermost.com/5.22.0/mattermost-5.22.0-linux-amd64.tar.gz
+SOURCE_SUM=40ecb25fca5a1c277f25b60ec97dbdbbf348622dbb75ae6041e2c9d405221650
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=mattermost-5.21.0-linux-amd64.tar.gz
+SOURCE_FILENAME=mattermost-5.22.0-linux-amd64.tar.gz