diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7a172dd2c1475792fe0339ec2a05a9c2d11bd461..1797210d503f6dab04031435140003e4b3006d17 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ## Unreleased
 
+## 0.10.7.1-4.0.0-alpha.4 - 2021-06-26
+
+* Implementation of Facility class (technical stuff)
+* further conversion of .tw files to .js
+* fixes
+
 ## 0.10.7.1-4.0.0-alpha.3 - 2021-06-17
 
 * Universal rule for babies to incubator
diff --git a/src/002-config/fc-version.js b/src/002-config/fc-version.js
index 24bc2f70460405ef1e13015358618a9b5cc363d2..da4e44ede04fb406e5dab07da67a690f408f5b4a 100644
--- a/src/002-config/fc-version.js
+++ b/src/002-config/fc-version.js
@@ -1,6 +1,6 @@
 App.Version = {
 	base: "0.10.7.1", // The vanilla version the mod is based off of, this should never be changed.
-	pmod: "4.0.0-alpha.3",
+	pmod: "4.0.0-alpha.4",
 	commitHash: null,
 	release: 1132 // When getting close to 2000,  please remove the check located within the onLoad() function defined at line five of src/js/eventHandlers.js.
 };