diff --git a/README.md b/README.md
index 0f46fb5..2f66bc5 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 <p align="center"><img src="https://raw.githubusercontent.com/JujuAdams/iota/master/LOGO.png" style="display:block; margin:auto; width:300px"></p>
-<h1 align="center">iota 3.1.0</h1>
+<h1 align="center">iota 4.0.0</h1>
 
 <p align="center">Miniature delta time and time dilation library for GameMaker 2022 LTS</p>
 
diff --git a/iota.yyp b/iota.yyp
index 9ecf1ca..63f2414 100644
--- a/iota.yyp
+++ b/iota.yyp
@@ -57,8 +57,8 @@
   ],
   "Folders": [
     {"resourceType":"GMFolder","resourceVersion":"1.0","name":"iota","folderPath":"folders/iota.yy","order":0,},
-    {"resourceType":"GMFolder","resourceVersion":"1.0","name":"Test Cases","folderPath":"folders/Test Cases.yy","order":7,},
     {"resourceType":"GMFolder","resourceVersion":"1.0","name":"(System)","folderPath":"folders/iota/(System).yy","order":6,},
+    {"resourceType":"GMFolder","resourceVersion":"1.0","name":"Test Cases","folderPath":"folders/Test Cases.yy","order":7,},
   ],
   "AudioGroups": [
     {"resourceType":"GMAudioGroup","resourceVersion":"1.3","name":"audiogroup_default","targets":-1,},
diff --git a/options/windows/options_windows.yy b/options/windows/options_windows.yy
index bdd7306..f806b03 100644
--- a/options/windows/options_windows.yy
+++ b/options/windows/options_windows.yy
@@ -1,7 +1,7 @@
 {
   "option_windows_display_name": "iota",
   "option_windows_executable_name": "${project_name}.exe",
-  "option_windows_version": "3.1.0.0",
+  "option_windows_version": "4.0.0.0",
   "option_windows_company_info": "Juju Adams",
   "option_windows_product_info": "iota",
   "option_windows_copyright_info": "(c) Juju Adams 2023",
diff --git a/scripts/__Iota/__Iota.gml b/scripts/__Iota/__Iota.gml
index 97d2e5d..17047d9 100644
--- a/scripts/__Iota/__Iota.gml
+++ b/scripts/__Iota/__Iota.gml
@@ -1,7 +1,7 @@
 // Feather disable all
 
-#macro __IOTA_VERSION  "3.1.0"
-#macro __IOTA_DATE     "2023-12-06"
+#macro __IOTA_VERSION  "4.0.0"
+#macro __IOTA_DATE     "2023-12-09"
 
 enum __IOTA_CHILD
 {