diff --git a/GameData/RealismOverhaul/RO.version b/GameData/RealismOverhaul/RO.version
index 6d64e3183e..68e3c879ae 100644
--- a/GameData/RealismOverhaul/RO.version
+++ b/GameData/RealismOverhaul/RO.version
@@ -9,7 +9,7 @@
     },
     "VERSION": {
         "MAJOR": 17,
-        "MINOR": 14,
+        "MINOR": 15,
         "PATCH": 0,
         "BUILD": 0
     },
diff --git a/GameData/RealismOverhaul/changelog.cfg b/GameData/RealismOverhaul/changelog.cfg
index 22f6a8a58f..06bd6c41db 100644
--- a/GameData/RealismOverhaul/changelog.cfg
+++ b/GameData/RealismOverhaul/changelog.cfg
@@ -6,16 +6,28 @@ KERBALCHANGELOG
 	website = github.com/KSP-RO/RealismOverhaul
 	VERSION
 	{
-		version = 17.14.0.0
+		version = 17.15.0.0
 		versionKSP = 1.12.3
 		CHANGE
 		{
 			change = What's Changed
-			subchange = Apply RO Material tags to Kerbal Foundries Parts
-			subchange = Starliner Boring Crew Services Configs
-			subchange = Add XASR-2 config
-			subchange = Make better insulation
-			subchange = Try to configure landing gear and air bags more sensibly
+			subchange = Make U-1700 speculative instead of altHist
+			subchange = More Orion drives
+			subchange = New jet source
+		}
+	}
+	VERSION
+	{
+		version = 17.14.0.0
+		versionKSP = 1.12.3
+		CHANGE
+		{
+			change = What's Changed
+			subchange = Apply RO Material tags to Kerbal Foundries Parts
+			subchange = Starliner Boring Crew Services Configs
+			subchange = Add XASR-2 config
+			subchange = Make better insulation
+			subchange = Try to configure landing gear and air bags more sensibly
 		}
 	}
 	VERSION
diff --git a/README.md b/README.md
index 42c126d1ef..11d37b34b1 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 <p align="center">
  <a href="https://nightly.link/KSP-RO/RealismOverhaul/workflows/buildAndTest/master/RealismOverhaul.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/RealismOverhaul/compare/v17.14.0.0...master" rel="nofollow"><img src="https://img.shields.io/github/commits-since/KSP-RO/RealismOverhaul/latest"></a>
+ <a href="https://github.com/KSP-RO/RealismOverhaul/compare/v17.15.0.0...master" rel="nofollow"><img src="https://img.shields.io/github/commits-since/KSP-RO/RealismOverhaul/latest"></a>
 </p>
 
 # Realism Overhaul