diff --git a/GameData/RP-1/RP-1.version b/GameData/RP-1/RP-1.version
index abd6dd8ab7..dff0056118 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/v3.12.0.0/RP-1-v3.12.0.0.zip",
+    "DOWNLOAD": "https://github.com/KSP-RO/RP-1/releases/download/v3.13.0.0/RP-1-v3.13.0.0.zip",
     "HOMEPAGE": "https://github.com/KSP-RO/RP-1/",
     "VERSION": {
         "MAJOR": 3,
-        "MINOR": 12,
+        "MINOR": 13,
         "PATCH": 0,
         "BUILD": 0
     },
diff --git a/GameData/RP-1/changelog.cfg b/GameData/RP-1/changelog.cfg
index 700dcb3261..e2b4c1968d 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 = 3.13.0.0
+		versionKSP = 1.12.3
+		CHANGE
+		{
+			change = What's Changed
+			subchange = Fix harmless but annoying error
+			subchange = Fix harmless errors on launching vessels.
+			subchange = Remove downsides from subcontractors, buff research rate modifiers
+			subchange = Fix PolarSat Heavy to require FO
+			subchange = Stagger Chief Scientist unlocks
+			subchange = Fix issues with VesselBuildValidator
+			subchange = Fix vessel repairs not progressing when the LC is otherwise idle
+			subchange = Restore ignitor resources on vessel repair
+			subchange = Fix LC upkeep not factoring in current progress
+			subchange = Make LCs still have maintenance cost while doing modifications
+			subchange = Switch to new NFE models and configure new ones
+		}
+	}
+	VERSION
 	{
 		version = 3.12.0.0
 		versionKSP = 1.12.3
diff --git a/README.md b/README.md
index ec31b894b2..1c52e1b6a9 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/v3.12.0.0...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/v3.13.0.0...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.