diff --git a/conf/app.src b/conf/app.src
index 5335ada..a916a59 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,6 +1,6 @@
-SOURCE_URL=https://releases.mattermost.com/5.19.1/mattermost-5.19.1-linux-amd64.tar.gz
-SOURCE_SUM=fe4bf2dc184c17daab3164f68b2e73cc460d60e7c3877b309844240581d13d97
+SOURCE_URL=https://releases.mattermost.com/5.20.1/mattermost-5.20.1-linux-amd64.tar.gz
+SOURCE_SUM=b9d07c6de14175e2a29625c8c9f0d394ba652e97878cc0e84838ac2138bc2d10
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=mattermost-5.19.1-linux-amd64.tar.gz
+SOURCE_FILENAME=mattermost-5.20.1-linux-amd64.tar.gz