diff --git a/build/common.targets b/build/common.targets
index 590e0415..1ead1508 100644
--- a/build/common.targets
+++ b/build/common.targets
@@ -7,7 +7,7 @@ repo. It imports the other MSBuild files as needed.
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <!--set general build properties -->
-    <Version>3.18.2</Version>
+    <Version>3.18.3</Version>
     <Product>SMAPI</Product>
     <LangVersion>latest</LangVersion>
     <AssemblySearchPaths>$(AssemblySearchPaths);{GAC}</AssemblySearchPaths>
diff --git a/docs/release-notes.md b/docs/release-notes.md
index 075ec6b4..e99218bd 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -7,10 +7,12 @@
   _If needed, you can update to SMAPI 3.16.0 first and then install the latest version._
 -->
 
-## Upcoming release
+## 3.18.3
+Released 09 April 2023 for Stardew Valley 1.5.6 or later.
+
 * For players:
   * Fixed `findstr` installer error for some players.
-  * Fixed installer error for some Linux users due to a non-portable shebang (thanks to freyacoded!).
+  * Fixed installer error for some Linux players due to a non-portable shebang (thanks to freyacoded!).
   * Fixed error using load order overrides when there are broken mods installed (thanks to atravita!).
   * Removed `LargeAddressAware` flag on SMAPI (no longer needed since it's 64-bit now).
   * Improved translations. Thganks to stylemate (updated Korean)!
diff --git a/src/SMAPI.Mods.ConsoleCommands/manifest.json b/src/SMAPI.Mods.ConsoleCommands/manifest.json
index 6ababef0..2447c5c3 100644
--- a/src/SMAPI.Mods.ConsoleCommands/manifest.json
+++ b/src/SMAPI.Mods.ConsoleCommands/manifest.json
@@ -1,9 +1,9 @@
 {
     "Name": "Console Commands",
     "Author": "SMAPI",
-    "Version": "3.18.2",
+    "Version": "3.18.3",
     "Description": "Adds SMAPI console commands that let you manipulate the game.",
     "UniqueID": "SMAPI.ConsoleCommands",
     "EntryDll": "ConsoleCommands.dll",
-    "MinimumApiVersion": "3.18.2"
+    "MinimumApiVersion": "3.18.3"
 }
diff --git a/src/SMAPI.Mods.ErrorHandler/manifest.json b/src/SMAPI.Mods.ErrorHandler/manifest.json
index 82630479..306c92fc 100644
--- a/src/SMAPI.Mods.ErrorHandler/manifest.json
+++ b/src/SMAPI.Mods.ErrorHandler/manifest.json
@@ -1,9 +1,9 @@
 {
     "Name": "Error Handler",
     "Author": "SMAPI",
-    "Version": "3.18.2",
+    "Version": "3.18.3",
     "Description": "Handles some common vanilla errors to log more useful info or avoid breaking the game.",
     "UniqueID": "SMAPI.ErrorHandler",
     "EntryDll": "ErrorHandler.dll",
-    "MinimumApiVersion": "3.18.2"
+    "MinimumApiVersion": "3.18.3"
 }
diff --git a/src/SMAPI.Mods.SaveBackup/manifest.json b/src/SMAPI.Mods.SaveBackup/manifest.json
index e29a3ed3..c5075c57 100644
--- a/src/SMAPI.Mods.SaveBackup/manifest.json
+++ b/src/SMAPI.Mods.SaveBackup/manifest.json
@@ -1,9 +1,9 @@
 {
     "Name": "Save Backup",
     "Author": "SMAPI",
-    "Version": "3.18.2",
+    "Version": "3.18.3",
     "Description": "Automatically backs up all your saves once per day into its folder.",
     "UniqueID": "SMAPI.SaveBackup",
     "EntryDll": "SaveBackup.dll",
-    "MinimumApiVersion": "3.18.2"
+    "MinimumApiVersion": "3.18.3"
 }
diff --git a/src/SMAPI/Constants.cs b/src/SMAPI/Constants.cs
index 482ec816..77a19964 100644
--- a/src/SMAPI/Constants.cs
+++ b/src/SMAPI/Constants.cs
@@ -52,7 +52,7 @@ namespace StardewModdingAPI
         internal static int? LogScreenId { get; set; }
 
         /// <summary>SMAPI's current raw semantic version.</summary>
-        internal static string RawApiVersion = "3.18.2";
+        internal static string RawApiVersion = "3.18.3";
     }
 
     /// <summary>Contains SMAPI's constants and assumptions.</summary>