diff --git a/build/common.targets b/build/common.targets
index 05cfd8b5..8f21cd76 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>4.5.0</Version>
+    <Version>4.5.1</Version>
     <Product>SMAPI</Product>
     <LangVersion>latest</LangVersion>
     <AssemblySearchPaths>$(AssemblySearchPaths);{GAC}</AssemblySearchPaths>
diff --git a/docs/release-notes.md b/docs/release-notes.md
index 6ab3def0..d2b881fe 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -1,7 +1,9 @@
 ← [README](README.md)
 
 # Release notes
-## Upcoming release
+## 4.5.1
+Released 25 January 2026 for Stardew Valley 1.6.14 or later.
+
 * For players:
   * Fixed error installing SMAPI 4.5.0 on Linux/macOS.
   * Improved translations. Thanks to Maatsuki (updated Portuguese)!
diff --git a/src/SMAPI.Mods.ConsoleCommands/manifest.json b/src/SMAPI.Mods.ConsoleCommands/manifest.json
index 9193514a..e66e2f11 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": "4.5.0",
+    "Version": "4.5.1",
     "Description": "Adds SMAPI console commands that let you manipulate the game.",
     "UniqueId": "SMAPI.ConsoleCommands",
     "EntryDll": "ConsoleCommands.dll",
-    "MinimumApiVersion": "4.5.0"
+    "MinimumApiVersion": "4.5.1"
 }
diff --git a/src/SMAPI.Mods.SaveBackup/manifest.json b/src/SMAPI.Mods.SaveBackup/manifest.json
index aa5d53a9..40436da4 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": "4.5.0",
+    "Version": "4.5.1",
     "Description": "Automatically backs up all your saves once per day into its folder.",
     "UniqueId": "SMAPI.SaveBackup",
     "EntryDll": "SaveBackup.dll",
-    "MinimumApiVersion": "4.5.0"
+    "MinimumApiVersion": "4.5.1"
 }
diff --git a/src/SMAPI/Constants.cs b/src/SMAPI/Constants.cs
index 21673fcc..eeb22a88 100644
--- a/src/SMAPI/Constants.cs
+++ b/src/SMAPI/Constants.cs
@@ -49,7 +49,7 @@ internal static class EarlyConstants
     internal static int? LogScreenId { get; set; }
 
     /// <summary>SMAPI's current raw semantic version.</summary>
-    internal static string RawApiVersion = "4.5.0";
+    internal static string RawApiVersion = "4.5.1";
 }
 
 /// <summary>Contains SMAPI's constants and assumptions.</summary>