diff --git a/conf/app.src b/conf/app.src
index 9f59e18..c747aac 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/discourse/discourse/archive/v2.7.13.tar.gz
-SOURCE_SUM=29905c395311844fb3dacbbc11de37d3147ec45fc6c5f0a68b5d8ea98a2bc364
+SOURCE_URL=https://github.com/discourse/discourse/archive/v2.8.4.tar.gz
+SOURCE_SUM=0352bc386ac0c74bfb5ce24715c5d31a80c8ecd4702f53a03cb7dbb1d923d60d
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/manifest.json b/manifest.json
index 77e7e71..0dd2fd0 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Discussion platform",
         "fr": "Plateforme de discussion"
     },
-    "version": "2.7.13~ynh3",
+    "version": "2.8.4~ynh1",
     "url": "http://Discourse.org",
     "upstream": {
         "license": "GPL-2.0",