diff --git a/conf/app.src b/conf/app.src
index a838d6d..08fc785 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=http://download.dotclear.org/latest/dotclear-2.24.1.zip
-SOURCE_SUM=7d6c75d0b0d5c6f6aefaf663a32a6d0df24f9a915f96327676ba4157329a3390
+SOURCE_URL=http://download.dotclear.org/latest/dotclear-2.28.1.zip
+SOURCE_SUM=92803b99fbbb8b8923ad9b9bb56dd22a18b3183c3e3e7396cf03d1e7948cc80d
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=true
diff --git a/manifest.json b/manifest.json
index c5df817..20596d2 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Blog publishing application",
         "fr": "Moteur de blog"
     },
-    "version": "2.24.1~ynh1",
+    "version": "2.28.1~ynh1",
     "license": "GPL-2.0-or-later",
     "url": "https://dotclear.org/",
     "upstream": {