diff --git a/Changelog.txt b/Changelog.txt
index 3f9db94..0dc3f4b 100644
--- a/Changelog.txt
+++ b/Changelog.txt
@@ -1,3 +1,8 @@
+Version 2.2.1 -
+
+- Update commercial goods sales multiplier code
+
+
 Version 2.2 -
 
 - Add separate calculations for Wall-to-Wall buildings
diff --git a/Code/WhatsNewMessageListing.cs b/Code/WhatsNewMessageListing.cs
index 66181e9..281d62f 100644
--- a/Code/WhatsNewMessageListing.cs
+++ b/Code/WhatsNewMessageListing.cs
@@ -18,6 +18,15 @@ internal class WhatsNewMessageListing
         /// </summary>
         internal WhatsNewMessage[] Messages => new WhatsNewMessage[]
         {
+            new WhatsNewMessage
+            {
+                Version = new Version("2.2.1.0"),
+                MessagesAreKeys = true,
+                Messages = new string[]
+                {
+                    "RPR_221_0",
+                },
+            },
             new WhatsNewMessage
             {
                 Version = new Version("2.2.0.0"),
diff --git a/Realistic Population Revisited.csproj b/Realistic Population Revisited.csproj
index 6b02c07..29b1ebb 100644
--- a/Realistic Population Revisited.csproj	
+++ b/Realistic Population Revisited.csproj	
@@ -8,7 +8,7 @@
 		<Authors>algernon,Whitefang Greytail</Authors>
 		<Copyright>Copyright © 2015-2022 algernon, Whitefang Greytail</Copyright>
 		<Product>$(Title)</Product>
-		<Version>2.2</Version>
+		<Version>2.2.1</Version>
 		<ManagedDLLPath>$(MSBuildProgramFiles32)/Steam/steamapps/common/Cities_Skylines/Cities_Data/Managed</ManagedDLLPath>
 		<AssemblySearchPaths>
 			$(AssemblySearchPaths);
diff --git a/Translations/en-EN.csv b/Translations/en-EN.csv
index fca61f9..0ab8e2e 100644
--- a/Translations/en-EN.csv
+++ b/Translations/en-EN.csv
@@ -317,4 +317,5 @@
 "RPR_201_0","Add option to use US customary measures (feet and square feet) in place of metric measurements"
 "RPR_21_0","Compatiblility with game version 1.15 (Plazas & Promenades)"
 "RPR_22_0","Plazas & Promenades wall-to-wall building types now have separate settings"
-"RPR_22_1","Add option unlock all zoning types from game start"
\ No newline at end of file
+"RPR_22_1","Add option unlock all zoning types from game start"
+"RPR_221_0","Update commercial goods sales multiplier code"
\ No newline at end of file