diff --git a/conf/app.src b/conf/app.src
index 86b4125..9698864 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/backdrop/backdrop/releases/download/1.21.1/backdrop.zip
-SOURCE_SUM=8d5a7322568a95e5ae85728ec681e2b8d7c7785112a6a2570469c9bf18d3bdbe
+SOURCE_URL=https://github.com/backdrop/backdrop/releases/download/1.21.2/backdrop.zip
+SOURCE_SUM=53e9caa20c7ef8d5974cf53bb3553f2861eeea58b2d0d1329eff7ba627ba5a35
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=true
diff --git a/manifest.json b/manifest.json
index acc07f1..26a9a9c 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Easy-to-use CMS for building professional websites",
         "fr": "CMS facile à utiliser pour créer des sites Web professionnels"
     },
-    "version": "1.21.1~ynh1",
+    "version": "1.21.2~ynh1",
     "url": "https://backdropcms.org/",
     "upstream": {
         "license": "GPL-2.0",