diff --git a/crates/uv-configuration/src/target_triple.rs b/crates/uv-configuration/src/target_triple.rs
index 842fb39a7..d64fcf1b1 100644
--- a/crates/uv-configuration/src/target_triple.rs
+++ b/crates/uv-configuration/src/target_triple.rs
@@ -28,6 +28,12 @@ pub enum TargetTriple {
     #[serde(alias = "x8664-pc-windows-msvc")]
     X8664PcWindowsMsvc,
 
+    /// An ARM64 Windows target.
+    #[cfg_attr(feature = "clap", value(name = "aarch64-pc-windows-msvc"))]
+    #[serde(rename = "aarch64-pc-windows-msvc")]
+    #[serde(alias = "arm64-pc-windows-msvc")]
+    Aarch64PcWindowsMsvc,
+
     /// A 32-bit x86 Windows target.
     #[cfg_attr(feature = "clap", value(name = "i686-pc-windows-msvc"))]
     #[serde(rename = "i686-pc-windows-msvc")]
@@ -237,6 +243,7 @@ impl TargetTriple {
     pub fn platform(self) -> Platform {
         match self {
             Self::Windows | Self::X8664PcWindowsMsvc => Platform::new(Os::Windows, Arch::X86_64),
+            Self::Aarch64PcWindowsMsvc => Platform::new(Os::Windows, Arch::Aarch64),
             Self::Linux | Self::X8664UnknownLinuxGnu => Platform::new(
                 Os::Manylinux {
                     major: 2,
@@ -468,6 +475,7 @@ impl TargetTriple {
     pub fn platform_machine(self) -> &'static str {
         match self {
             Self::Windows | Self::X8664PcWindowsMsvc => "x86_64",
+            Self::Aarch64PcWindowsMsvc => "ARM64",
             Self::Linux | Self::X8664UnknownLinuxGnu => "x86_64",
             Self::Macos | Self::Aarch64AppleDarwin => "arm64",
             Self::I686PcWindowsMsvc => "x86",
@@ -509,6 +517,7 @@ impl TargetTriple {
     pub fn platform_system(self) -> &'static str {
         match self {
             Self::Windows | Self::X8664PcWindowsMsvc => "Windows",
+            Self::Aarch64PcWindowsMsvc => "Windows",
             Self::Linux | Self::X8664UnknownLinuxGnu => "Linux",
             Self::Macos | Self::Aarch64AppleDarwin => "Darwin",
             Self::I686PcWindowsMsvc => "Windows",
@@ -550,6 +559,7 @@ impl TargetTriple {
     pub fn platform_version(self) -> &'static str {
         match self {
             Self::Windows | Self::X8664PcWindowsMsvc => "",
+            Self::Aarch64PcWindowsMsvc => "",
             Self::Linux | Self::X8664UnknownLinuxGnu => "",
             Self::Macos | Self::Aarch64AppleDarwin => "",
             Self::I686PcWindowsMsvc => "",
@@ -594,6 +604,7 @@ impl TargetTriple {
     pub fn platform_release(self) -> &'static str {
         match self {
             Self::Windows | Self::X8664PcWindowsMsvc => "",
+            Self::Aarch64PcWindowsMsvc => "",
             Self::Linux | Self::X8664UnknownLinuxGnu => "",
             Self::Macos | Self::Aarch64AppleDarwin => "",
             Self::I686PcWindowsMsvc => "",
@@ -637,6 +648,7 @@ impl TargetTriple {
     pub fn os_name(self) -> &'static str {
         match self {
             Self::Windows | Self::X8664PcWindowsMsvc => "nt",
+            Self::Aarch64PcWindowsMsvc => "nt",
             Self::Linux | Self::X8664UnknownLinuxGnu => "posix",
             Self::Macos | Self::Aarch64AppleDarwin => "posix",
             Self::I686PcWindowsMsvc => "nt",
@@ -678,6 +690,7 @@ impl TargetTriple {
     pub fn sys_platform(self) -> &'static str {
         match self {
             Self::Windows | Self::X8664PcWindowsMsvc => "win32",
+            Self::Aarch64PcWindowsMsvc => "win32",
             Self::Linux | Self::X8664UnknownLinuxGnu => "linux",
             Self::Macos | Self::Aarch64AppleDarwin => "darwin",
             Self::I686PcWindowsMsvc => "win32",
@@ -719,6 +732,7 @@ impl TargetTriple {
     pub fn manylinux_compatible(self) -> bool {
         match self {
             Self::Windows | Self::X8664PcWindowsMsvc => false,
+            Self::Aarch64PcWindowsMsvc => false,
             Self::Linux | Self::X8664UnknownLinuxGnu => true,
             Self::Macos | Self::Aarch64AppleDarwin => false,
             Self::I686PcWindowsMsvc => false,
diff --git a/docs/reference/cli.md b/docs/reference/cli.md
index 4ed92282b..8832197a1 100644
--- a/docs/reference/cli.md
+++ b/docs/reference/cli.md
@@ -1181,6 +1181,7 @@ environment in the project.</p>
 <li><code>linux</code>:  An alias for <code>x86_64-unknown-linux-gnu</code>, the default target for Linux</li>
 <li><code>macos</code>:  An alias for <code>aarch64-apple-darwin</code>, the default target for macOS</li>
 <li><code>x86_64-pc-windows-msvc</code>:  A 64-bit x86 Windows target</li>
+<li><code>aarch64-pc-windows-msvc</code>:  An ARM64 Windows target</li>
 <li><code>i686-pc-windows-msvc</code>:  A 32-bit x86 Windows target</li>
 <li><code>x86_64-unknown-linux-gnu</code>:  An x86 Linux target. Equivalent to <code>x86_64-manylinux_2_28</code></li>
 <li><code>aarch64-apple-darwin</code>:  An ARM-based macOS target, as seen on Apple Silicon devices</li>
@@ -1778,6 +1779,7 @@ interpreter. Use <code>--universal</code> to display the tree for all platforms,
 <li><code>linux</code>:  An alias for <code>x86_64-unknown-linux-gnu</code>, the default target for Linux</li>
 <li><code>macos</code>:  An alias for <code>aarch64-apple-darwin</code>, the default target for macOS</li>
 <li><code>x86_64-pc-windows-msvc</code>:  A 64-bit x86 Windows target</li>
+<li><code>aarch64-pc-windows-msvc</code>:  An ARM64 Windows target</li>
 <li><code>i686-pc-windows-msvc</code>:  A 32-bit x86 Windows target</li>
 <li><code>x86_64-unknown-linux-gnu</code>:  An x86 Linux target. Equivalent to <code>x86_64-manylinux_2_28</code></li>
 <li><code>aarch64-apple-darwin</code>:  An ARM-based macOS target, as seen on Apple Silicon devices</li>
@@ -3557,6 +3559,7 @@ by <code>--python-version</code>.</p>
 <li><code>linux</code>:  An alias for <code>x86_64-unknown-linux-gnu</code>, the default target for Linux</li>
 <li><code>macos</code>:  An alias for <code>aarch64-apple-darwin</code>, the default target for macOS</li>
 <li><code>x86_64-pc-windows-msvc</code>:  A 64-bit x86 Windows target</li>
+<li><code>aarch64-pc-windows-msvc</code>:  An ARM64 Windows target</li>
 <li><code>i686-pc-windows-msvc</code>:  A 32-bit x86 Windows target</li>
 <li><code>x86_64-unknown-linux-gnu</code>:  An x86 Linux target. Equivalent to <code>x86_64-manylinux_2_28</code></li>
 <li><code>aarch64-apple-darwin</code>:  An ARM-based macOS target, as seen on Apple Silicon devices</li>
@@ -3826,6 +3829,7 @@ be used with caution, as it can modify the system Python installation.</p>
 <li><code>linux</code>:  An alias for <code>x86_64-unknown-linux-gnu</code>, the default target for Linux</li>
 <li><code>macos</code>:  An alias for <code>aarch64-apple-darwin</code>, the default target for macOS</li>
 <li><code>x86_64-pc-windows-msvc</code>:  A 64-bit x86 Windows target</li>
+<li><code>aarch64-pc-windows-msvc</code>:  An ARM64 Windows target</li>
 <li><code>i686-pc-windows-msvc</code>:  A 32-bit x86 Windows target</li>
 <li><code>x86_64-unknown-linux-gnu</code>:  An x86 Linux target. Equivalent to <code>x86_64-manylinux_2_28</code></li>
 <li><code>aarch64-apple-darwin</code>:  An ARM-based macOS target, as seen on Apple Silicon devices</li>
@@ -4113,6 +4117,7 @@ should be used with caution, as it can modify the system Python installation.</p
 <li><code>linux</code>:  An alias for <code>x86_64-unknown-linux-gnu</code>, the default target for Linux</li>
 <li><code>macos</code>:  An alias for <code>aarch64-apple-darwin</code>, the default target for macOS</li>
 <li><code>x86_64-pc-windows-msvc</code>:  A 64-bit x86 Windows target</li>
+<li><code>aarch64-pc-windows-msvc</code>:  An ARM64 Windows target</li>
 <li><code>i686-pc-windows-msvc</code>:  A 32-bit x86 Windows target</li>
 <li><code>x86_64-unknown-linux-gnu</code>:  An x86 Linux target. Equivalent to <code>x86_64-manylinux_2_28</code></li>
 <li><code>aarch64-apple-darwin</code>:  An ARM-based macOS target, as seen on Apple Silicon devices</li>
diff --git a/uv.schema.json b/uv.schema.json
index 4671d03c2..a86155c32 100644
--- a/uv.schema.json
+++ b/uv.schema.json
@@ -2251,6 +2251,11 @@
           "type": "string",
           "const": "x86_64-pc-windows-msvc"
         },
+        {
+          "description": "An ARM64 Windows target.",
+          "type": "string",
+          "const": "aarch64-pc-windows-msvc"
+        },
         {
           "description": "A 32-bit x86 Windows target.",
           "type": "string",