diff --git a/application/package.json b/application/package.json
index ecdc5bfce785aef81136650798a93519905a7cbf..c3f1b13f4f6d02e867b86838bced3f95c68c65bb 100644
--- a/application/package.json
+++ b/application/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@schukai/monster",
-  "version": "3.12.0",
+  "version": "3.12.1",
   "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 fd801686cf9505e29edd24a16b5aad810df154d9..a72d129755b05c3b127f249483ff56f43b966369 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("3.12.0");
+    monsterVersion = new Version("3.12.1");
 
     return monsterVersion;
 }
diff --git a/development/package.json b/development/package.json
index 32e2188f625c4f03b689a658526a4af298502e40..99ab861a9028aa4322f8bfc48c4c0a3b6bd5918b 100644
--- a/development/package.json
+++ b/development/package.json
@@ -1,6 +1,6 @@
 {
   "name": "monster",
-  "version": "3.12.0",
+  "version": "3.12.1",
   "description": "monster",
   "repository": {
     "type": "git",
diff --git a/development/test/cases/monster.mjs b/development/test/cases/monster.mjs
index e4baaba7aee163496719f5653e94c4a3d5d25578..043655897c4ea6992561b4fd98f7e91f394061f8 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("3.12.0")
+        monsterVersion = new Version("3.12.1")
 
         let m = getMonsterVersion();