diff --git a/RealFuels/Readme_RF.txt b/RealFuels/Readme_RF.txt
index 2270b8d4..e4ade6d9 100644
--- a/RealFuels/Readme_RF.txt
+++ b/RealFuels/Readme_RF.txt
@@ -50,6 +50,11 @@ AN OVERVIEW OF FUEL TYPES AND TANK TYPES AND TECH LEVELS/ENGINE TYPES AND UPGRAD
 ==========
 Changelog:
 
+v12.4.1
+
+* Don't double heat flux (workaround which is no longer necessary in KSP 1.3.1)
+* Actually update .version file
+
 v12.4.0
 
 * Recompile for KSP 1.3.1
diff --git a/RealFuels/RealFuels.version b/RealFuels/RealFuels.version
index f1b527a1..a4f7196d 100644
--- a/RealFuels/RealFuels.version
+++ b/RealFuels/RealFuels.version
@@ -3,12 +3,12 @@
   "URL": "https://raw.githubusercontent.com/NathanKell/ModularFuelSystem/master/RealFuels/RealFuels.version",
   "VERSION": {
     "MAJOR": 12,
-    "MINOR": 3,
+    "MINOR": 4,
     "PATCH": 1
   },
   "KSP_VERSION": {
     "MAJOR": 1,
     "MINOR": 3,
-    "PATCH": 0
+    "PATCH": 1
   }
 }