diff --git a/conf/app.src b/conf/app.src
index 17a7a35..9f7fcb7 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://api.github.com/repos/jgraph/drawio/tarball/v20.2.8
-SOURCE_SUM=d11406a4ed801ca800d4cfc6f6e415c66a9adab2027ef5d3184aa481c27c94a6
+SOURCE_URL=https://api.github.com/repos/jgraph/drawio/tarball/v20.4.0
+SOURCE_SUM=35fecfc4673f8cfa9a197b4dbe00a766202bb6ffc8b6f2a48ab2ae9bfac6852c
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/manifest.json b/manifest.json
index dcdc7e5..412cfb7 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Online diagram software for making flowcharts, process diagrams, org charts, UML, ER and network diagrams",
         "fr": "Application en ligne qui permet de faire des schémas et du dessin vectoriel"
     },
-    "version": "20.2.8~ynh1",
+    "version": "20.4.0~ynh1",
     "url": "https://www.diagrams.net/",
     "upstream": {
         "license": "Apache-2.0",