diff --git a/application/package.json b/application/package.json
index c8f1ca948caa01c60bd5ec2a416c3862b5436816..3439a60cb4240a343f3d0ded6871555bfbc21170 100644
--- a/application/package.json
+++ b/application/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@schukai/monster",
-  "version": "3.21.0",
+  "version": "3.21.1",
   "description": "Monster is a simple library for creating fast, robust and lightweight websites.",
   "keywords": [
     "framework",
diff --git a/application/source/types/version.mjs b/application/source/types/version.mjs
index 21254780e6d7299fd638d72df8c8b2e09abe7b80..f3c540dc63af95cf82201746d1d2f31a474b3fcc 100644
--- a/application/source/types/version.mjs
+++ b/application/source/types/version.mjs
@@ -142,7 +142,7 @@ function getMonsterVersion() {
     }
 
     /** don't touch, replaced by make with package.json version */
-    monsterVersion = new Version("3.21.0");
+    monsterVersion = new Version("3.21.1");
 
     return monsterVersion;
 }
diff --git a/development/package.json b/development/package.json
index 9c4caa3ed02004a71859d417f00c7a426ed03221..b798a5654a0bb6ae9ea9369d1dd4bc7113e6ad82 100644
--- a/development/package.json
+++ b/development/package.json
@@ -1,6 +1,6 @@
 {
   "name": "monster",
-  "version": "3.21.0",
+  "version": "3.21.1",
   "description": "monster",
   "repository": {
     "type": "git",
diff --git a/development/test/cases/monster.mjs b/development/test/cases/monster.mjs
index f3261b7a2620d2b33f38141fd76b14ffba851753..c8d9060873d34451a1337fa3f0fa3b67ad87ecd2 100644
--- a/development/test/cases/monster.mjs
+++ b/development/test/cases/monster.mjs
@@ -7,7 +7,7 @@ describe('Monster', function () {
         let monsterVersion
 
         /** don´t touch, replaced by make with package.json version */
-        monsterVersion = new Version("3.21.0")
+        monsterVersion = new Version("3.21.1")
 
         let m = getMonsterVersion();