diff --git a/GameData/RP-1/RP-1.version b/GameData/RP-1/RP-1.version
index 62383947ea0..c81b57ce175 100644
--- a/GameData/RP-1/RP-1.version
+++ b/GameData/RP-1/RP-1.version
@@ -1,11 +1,11 @@
 {
     "NAME": "Realistic Progression One",
     "URL": "https://raw.githubusercontent.com/KSP-RO/RP-1/master/GameData/RP-1/RP-1.version",
-    "DOWNLOAD": "https://github.com/KSP-RO/RP-1/releases/download/v3.8.0.0/RP-1-v3.8.0.0.zip",
+    "DOWNLOAD": "https://github.com/KSP-RO/RP-1/releases/download/v3.9.0.0/RP-1-v3.9.0.0.zip",
     "HOMEPAGE": "https://github.com/KSP-RO/RP-1/",
     "VERSION": {
         "MAJOR": 3,
-        "MINOR": 8,
+        "MINOR": 9,
         "PATCH": 0,
         "BUILD": 0
     },
diff --git a/GameData/RP-1/changelog.cfg b/GameData/RP-1/changelog.cfg
index 24836dd00da..df20544135d 100644
--- a/GameData/RP-1/changelog.cfg
+++ b/GameData/RP-1/changelog.cfg
@@ -5,6 +5,26 @@ KERBALCHANGELOG
 	author = KSP-RO team
 	website = github.com/KSP-RO/RP-1
 	VERSION
+	{
+		version = 3.9.0.0
+		versionKSP = 1.12.3
+		CHANGE
+		{
+			change = What's Changed
+			subchange = Chinese Leader Update.
+			subchange = Add lunar flying vehicle config
+			subchange = Update desc of MLI layer 1
+			subchange = Apply facility upgrades even when space center is unloaded
+			subchange = Add configs for new apogee motors
+			subchange = Forcefully reset RA CommNet when upgrading TS
+		}
+		CHANGE
+		{
+			change = New Contributors
+			subchange = @Proxima-b made their first contribution in 
+		}
+	}
+	VERSION
 	{
 		version = 3.8.0.0
 		versionKSP = 1.12.3
diff --git a/README.md b/README.md
index 3f1ba2d6e1d..dd32569fa9a 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 <p align="center">
  <a href="https://nightly.link/KSP-RO/RP-1/workflows/build/master/RP-1.zip" rel="nofollow"><img src="https://badgen.net/badge/Nightly%20build/download/blue"></a>
  <a href="https://discord.gg/V73jjNd" rel="nofollow"><img src="https://badgen.net/discord/online-members/V73jjNd?icon=discord"></a>
- <a href="https://github.com/KSP-RO/RP-1/compare/v3.8.0.0...master" rel="nofollow"><img src="https://img.shields.io/github/commits-since/KSP-RO/RP-1/latest"></a>
+ <a href="https://github.com/KSP-RO/RP-1/compare/v3.9.0.0...master" rel="nofollow"><img src="https://img.shields.io/github/commits-since/KSP-RO/RP-1/latest"></a>
 </p>
 
 Welcome to Realistic Progression One, the heavyweight career addon for Kerbal Space Program's Realism Overhaul.