diff --git a/.github/workflows/windows_release.yml b/.github/workflows/windows_release.yml
index 349878dcf..02410c674 100644
--- a/.github/workflows/windows_release.yml
+++ b/.github/workflows/windows_release.yml
@@ -22,11 +22,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - branch: swift-5.9.2-release
-            tag: 5.9.2-RELEASE
-
-          - branch: development
-            tag: DEVELOPMENT-SNAPSHOT-2023-06-05-a
+          - branch: swift-5.10.1-release
+            tag: 5.10.1-RELEASE
 
     steps:
       - uses: compnerd/gha-setup-swift@main
@@ -42,7 +39,28 @@ jobs:
 
       - uses: microsoft/setup-msbuild@v2.0.0
 
-      - run: msbuild -nologo -restore Platforms\Windows\SwiftFormat.wixproj -p:Configuration=Release -p:ProductVersion=${{ github.event.inputs.version }} -p:SWIFTFORMAT_BUILD=${{ github.workspace }}\.build\release -p:OutputPath=${{ github.workspace }}\artifacts -p:RunWixToolsOutOfProc=true
+      - shell: pwsh
+        run: |
+          # Bundle the Swift runtime if the version we're using ships with a redistributable
+          $SwiftExePath = (& where.exe swift.exe)
+          if (-not ($SwiftExePath -match "(.+)\\Toolchains\\(\d+\.\d+\.\d+)[^\\]*\\.*")) {
+            throw "Unexpected Swift installation path format"
+          }
+
+          $SwiftInstallRoot = $Matches[1]
+          $SwiftRuntimeVersion = $Matches[2]
+          $SwiftRedistDir = "$SwiftInstallRoot\Redistributables\$SwiftRuntimeVersion"
+          if (-not (Test-Path $SwiftRedistDir)) {
+            throw "Swift redistributable not found at $SwiftRedistDir"
+          }
+
+          & msbuild -nologo -restore Platforms\Windows\SwiftFormat.wixproj `
+            -p:Configuration=Release `
+            -p:ProductVersion=${{ github.event.inputs.version }} `
+            -p:SwiftFormatBuildDir=${{ github.workspace }}\.build\release `
+            -p:SwiftRedistDir=$SwiftRedistDir `
+            -p:OutputPath=${{ github.workspace }}\artifacts `
+            -p:RunWixToolsOutOfProc=true
 
       - run: |
           $MSI_PATH = cygpath -m ${{ github.workspace }}\artifacts\SwiftFormat.msi
diff --git a/Platforms/Windows/SwiftFormat.wixproj b/Platforms/Windows/SwiftFormat.wixproj
index eeb31502e..e20e98d0e 100644
--- a/Platforms/Windows/SwiftFormat.wixproj
+++ b/Platforms/Windows/SwiftFormat.wixproj
@@ -5,10 +5,7 @@
 
   <PropertyGroup>
     <ProductArchitecture Condition=" '$(ProductArchitecture)' == '' ">amd64</ProductArchitecture>
-    <ProductArchitecture>$(ProductArchitecture)</ProductArchitecture>
-
     <ProductVersion Condition=" '$(ProductVersion)' == '' ">0.0.0</ProductVersion>
-    <ProductVersion>$(ProductVersion)</ProductVersion>
   </PropertyGroup>
 
   <PropertyGroup>
@@ -19,7 +16,12 @@
   <Import Project="WiXCodeSigning.targets" />
 
   <PropertyGroup>
-    <DefineConstants>ProductArchitecture=$(ProductArchitecture);ProductVersion=$(ProductVersion);SWIFTFORMAT_BUILD=$(SWIFTFORMAT_BUILD)</DefineConstants>
+    <DefineConstants>
+      ProductArchitecture=$(ProductArchitecture);
+      ProductVersion=$(ProductVersion);
+      SwiftFormatBuildDir=$(SwiftFormatBuildDir);
+      SwiftRedistDir=$(SwiftRedistDir)
+      </DefineConstants>
   </PropertyGroup>
 
   <PropertyGroup Condition=" '$(ProductArchitecture)' == 'amd64' ">
diff --git a/Platforms/Windows/SwiftFormat.wxs b/Platforms/Windows/SwiftFormat.wxs
index 5b04b9ed8..a0771728e 100644
--- a/Platforms/Windows/SwiftFormat.wxs
+++ b/Platforms/Windows/SwiftFormat.wxs
@@ -1,6 +1,13 @@
 <Wix
     xmlns="http://wixtoolset.org/schemas/v4/wxs"
     xmlns:ui="http://wixtoolset.org/schemas/v4/wxs/ui">
+
+  <?if $(sys.BUILDARCH) == x64 ?>
+    <?define MergeModuleFileName = "rtl.amd64.msm" ?>
+  <?else?>
+    <?define MergeModuleFileName = "rtl.$(sys.BUILDARCH).msm" ?>
+  <?endif?>
+
   <Package
       Language="1033"
       Manufacturer="nicklockwood"
@@ -16,14 +23,16 @@
       <Directory Id="ManufacturerFolder" Name="nicklockwood">
         <Directory Id="INSTALLDIR" Name="SwiftFormat">
           <Directory Id="_usr" Name="usr">
-            <Directory Id="_usr_bin" Name="bin" />
+            <Directory Id="_usr_bin" Name="bin">
+              <Merge Id="SwiftRuntime" DiskId="1" Language="0" SourceFile="$(SwiftRedistDir)\$(MergeModuleFileName)" />
+            </Directory>
           </Directory>
         </Directory>
       </Directory>
     </StandardDirectory>
 
     <Component Directory="_usr_bin" Id="swiftformat.exe">
-      <File Id="swiftformat.exe" Source="$(var.SWIFTFORMAT_BUILD)\swiftformat.exe" Checksum="yes" KeyPath="yes" />
+      <File Id="swiftformat.exe" Source="$(var.SwiftFormatBuildDir)\swiftformat.exe" Checksum="yes" KeyPath="yes" />
     </Component>
 
     <ComponentGroup Id="EnvironmentVariables">
@@ -36,6 +45,7 @@
     </ComponentGroup>
 
     <Feature Id="SwiftFormat" Level="1">
+      <MergeRef Id="SwiftRuntime" />
       <ComponentRef Id="swiftformat.exe" />
       <ComponentGroupRef Id="EnvironmentVariables" />
     </Feature>