diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 837be068..466fce59 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,6 +22,9 @@ jobs:
           - os: windows-2019
             name: win-x64
             param: -x64
+          - os: windows-2019
+            name: win-arm64
+            param: -arm64
           - os: ubuntu-20.04
             name: linux-x64
           - os: ubuntu-20.04
diff --git a/UpdateLibgit2ToSha.ps1 b/UpdateLibgit2ToSha.ps1
index bf6ead69..e78cd534 100644
--- a/UpdateLibgit2ToSha.ps1
+++ b/UpdateLibgit2ToSha.ps1
@@ -109,6 +109,7 @@ Push-Location $libgit2Directory
   <ItemGroup>
     <ContentWithTargetPath Include="`$(MSBuildThisFileDirectory)\..\..\runtimes\win-x86\native\*" TargetPath="lib\win32\x86\%(Filename)%(Extension)" CopyToOutputDirectory="PreserveNewest" />
     <ContentWithTargetPath Include="`$(MSBuildThisFileDirectory)\..\..\runtimes\win-x64\native\*" TargetPath="lib\win32\x64\%(Filename)%(Extension)" CopyToOutputDirectory="PreserveNewest" />
+    <ContentWithTargetPath Include="`$(MSBuildThisFileDirectory)\..\..\runtimes\win-arm64\native\*" TargetPath="lib\win32\arm64\%(Filename)%(Extension)" CopyToOutputDirectory="PreserveNewest" />
     <ContentWithTargetPath Include="`$(MSBuildThisFileDirectory)\..\..\runtimes\**\*`" Exclude="`$(MSBuildThisFileDirectory)\..\..\runtimes\win-*\**\*" TargetPath="lib\%(RecursiveDir)..\%(Filename)%(Extension)" CopyToOutputDirectory="PreserveNewest" />
     <ContentWithTargetPath Include="`$(MSBuildThisFileDirectory)\..\..\libgit2\LibGit2Sharp.dll.config" TargetPath="LibGit2Sharp.dll.config" CopyToOutputDirectory="PreserveNewest" />
   </ItemGroup>
diff --git a/build.libgit2.ps1 b/build.libgit2.ps1
index a68a38a3..c428c4f9 100644
--- a/build.libgit2.ps1
+++ b/build.libgit2.ps1
@@ -6,16 +6,19 @@
 .PARAMETER debug
     If set, build the "Debug" configuration of libgit2, rather than "Release" (default).
 .PARAMETER x86
-    If set, the 32-bit version will be built.
+    If set, the x86 version will be built.
 .PARAMETER x64
-    If set, the 64-bit version will be built.
+    If set, the x64 version will be built.
+.PARAMETER arm64
+    If set, the arm64 version will be built.
 #>
 
 Param(
     [switch]$test,
     [switch]$debug,
     [switch]$x86,
-    [switch]$x64
+    [switch]$x64,
+    [switch]$arm64
 )
 
 Set-StrictMode -Version Latest
@@ -24,6 +27,7 @@ $projectDirectory = Split-Path $MyInvocation.MyCommand.Path
 $libgit2Directory = Join-Path $projectDirectory "libgit2"
 $x86Directory = Join-Path $projectDirectory "nuget.package\runtimes\win-x86\native"
 $x64Directory = Join-Path $projectDirectory "nuget.package\runtimes\win-x64\native"
+$arm64Directory = Join-Path $projectDirectory "nuget.package\runtimes\win-arm64\native"
 $hashFile = Join-Path $projectDirectory "nuget.package\libgit2\libgit2_hash.txt"
 $sha = Get-Content $hashFile 
 $binaryFilename = "git2-" + $sha.Substring(0,7)
@@ -113,7 +117,7 @@ try {
     cd build
 
     if ($x86.IsPresent) {
-        Write-Output "Building 32-bit..."
+        Write-Output "Building x86..."
         Run-Command -Fatal { & $cmake -G "Visual Studio 16 2019" -A Win32 -D ENABLE_TRACE=ON -D USE_SSH=OFF -D "BUILD_CLAR=$build_clar" -D "LIBGIT2_FILENAME=$binaryFilename"  .. }
         Run-Command -Fatal { & $cmake --build . --config $configuration }
         if ($test.IsPresent) { Run-Command -Quiet -Fatal { & $ctest -V . } }
@@ -127,7 +131,7 @@ try {
     }
 
     if ($x64.IsPresent) {
-        Write-Output "Building 64-bit..."
+        Write-Output "Building x64..."
         Run-Command -Quiet { & mkdir build64 }
         cd build64
         Run-Command -Fatal { & $cmake -G "Visual Studio 16 2019" -A x64 -D THREADSAFE=ON -D USE_SSH=OFF -D ENABLE_TRACE=ON -D "BUILD_CLAR=$build_clar" -D "LIBGIT2_FILENAME=$binaryFilename" ../.. }
@@ -141,6 +145,21 @@ try {
         Run-Command -Quiet -Fatal { & copy -fo * $x64Directory -Exclude *.lib }
     }
 
+    if ($arm64.IsPresent) {
+        Write-Output "Building arm64..."
+        Run-Command -Quiet { & mkdir buildarm64 }
+        cd buildarm64
+        Run-Command -Fatal { & $cmake -G "Visual Studio 16 2019" -A ARM64 -D THREADSAFE=ON -D USE_SSH=OFF -D ENABLE_TRACE=ON -D "BUILD_CLAR=$build_clar" -D "LIBGIT2_FILENAME=$binaryFilename" ../.. }
+        Run-Command -Fatal { & $cmake --build . --config $configuration }
+        if ($test.IsPresent) { Run-Command -Quiet -Fatal { & $ctest -V . } }
+        cd $configuration
+        Assert-Consistent-Naming "$binaryFilename.dll" "*.dll"
+        Run-Command -Quiet { & rm *.exp }
+        Run-Command -Quiet { & rm $arm64Directory\* -ErrorAction Ignore  }
+        Run-Command -Quiet { & mkdir -fo $arm64Directory }
+        Run-Command -Quiet -Fatal { & copy -fo * $arm64Directory -Exclude *.lib }
+    }
+
     Write-Output "Done!"
 }
 finally {
diff --git a/nuget.package/build/net46/LibGit2Sharp.NativeBinaries.props b/nuget.package/build/net46/LibGit2Sharp.NativeBinaries.props
index 1da2c35c..3edceee5 100644
--- a/nuget.package/build/net46/LibGit2Sharp.NativeBinaries.props
+++ b/nuget.package/build/net46/LibGit2Sharp.NativeBinaries.props
@@ -7,6 +7,7 @@
   <ItemGroup>
     <ContentWithTargetPath Include="$(MSBuildThisFileDirectory)\..\..\runtimes\win-x86\native\*" TargetPath="lib\win32\x86\%(Filename)%(Extension)" CopyToOutputDirectory="PreserveNewest" />
     <ContentWithTargetPath Include="$(MSBuildThisFileDirectory)\..\..\runtimes\win-x64\native\*" TargetPath="lib\win32\x64\%(Filename)%(Extension)" CopyToOutputDirectory="PreserveNewest" />
+    <ContentWithTargetPath Include="$(MSBuildThisFileDirectory)\..\..\runtimes\win-arm64\native\*" TargetPath="lib\win32\arm64\%(Filename)%(Extension)" CopyToOutputDirectory="PreserveNewest" />
     <ContentWithTargetPath Include="$(MSBuildThisFileDirectory)\..\..\runtimes\**\*" Exclude="$(MSBuildThisFileDirectory)\..\..\runtimes\win-*\**\*" TargetPath="lib\%(RecursiveDir)..\%(Filename)%(Extension)" CopyToOutputDirectory="PreserveNewest" />
     <ContentWithTargetPath Include="$(MSBuildThisFileDirectory)\..\..\libgit2\LibGit2Sharp.dll.config" TargetPath="LibGit2Sharp.dll.config" CopyToOutputDirectory="PreserveNewest" />
   </ItemGroup>