diff --git a/crates/uv-configuration/src/target_triple.rs b/crates/uv-configuration/src/target_triple.rs
index 55e03961c..c0c651409 100644
--- a/crates/uv-configuration/src/target_triple.rs
+++ b/crates/uv-configuration/src/target_triple.rs
@@ -24,17 +24,19 @@ pub enum TargetTriple {
 
     /// A 64-bit x86 Windows target.
     #[cfg_attr(feature = "clap", value(name = "x86_64-pc-windows-msvc"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "x86_64-pc-windows-msvc"))]
+    #[serde(rename = "x86_64-pc-windows-msvc")]
+    #[serde(alias = "x8664-pc-windows-msvc")]
     X8664PcWindowsMsvc,
 
     /// A 32-bit x86 Windows target.
     #[cfg_attr(feature = "clap", value(name = "i686-pc-windows-msvc"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "i686-pc-windows-msvc"))]
+    #[serde(rename = "i686-pc-windows-msvc")]
     I686PcWindowsMsvc,
 
     /// An x86 Linux target. Equivalent to `x86_64-manylinux_2_17`.
     #[cfg_attr(feature = "clap", value(name = "x86_64-unknown-linux-gnu"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "x86_64-unknown-linux-gnu"))]
+    #[serde(rename = "x86_64-unknown-linux-gnu")]
+    #[serde(alias = "x8664-unknown-linux-gnu")]
     X8664UnknownLinuxGnu,
 
     /// An ARM-based macOS target, as seen on Apple Silicon devices
@@ -42,7 +44,7 @@ pub enum TargetTriple {
     /// By default, assumes the least-recent, non-EOL macOS version (13.0), but respects
     /// the `MACOSX_DEPLOYMENT_TARGET` environment variable if set.
     #[cfg_attr(feature = "clap", value(name = "aarch64-apple-darwin"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "aarch64-apple-darwin"))]
+    #[serde(rename = "aarch64-apple-darwin")]
     Aarch64AppleDarwin,
 
     /// An x86 macOS target.
@@ -50,152 +52,179 @@ pub enum TargetTriple {
     /// By default, assumes the least-recent, non-EOL macOS version (13.0), but respects
     /// the `MACOSX_DEPLOYMENT_TARGET` environment variable if set.
     #[cfg_attr(feature = "clap", value(name = "x86_64-apple-darwin"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "x86_64-apple-darwin"))]
+    #[serde(rename = "x86_64-apple-darwin")]
+    #[serde(alias = "x8664-apple-darwin")]
     X8664AppleDarwin,
 
     /// An ARM64 Linux target. Equivalent to `aarch64-manylinux_2_17`.
     #[cfg_attr(feature = "clap", value(name = "aarch64-unknown-linux-gnu"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "aarch64-unknown-linux-gnu"))]
+    #[serde(rename = "aarch64-unknown-linux-gnu")]
     Aarch64UnknownLinuxGnu,
 
     /// An ARM64 Linux target.
     #[cfg_attr(feature = "clap", value(name = "aarch64-unknown-linux-musl"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "aarch64-unknown-linux-musl"))]
+    #[serde(rename = "aarch64-unknown-linux-musl")]
     Aarch64UnknownLinuxMusl,
 
     /// An `x86_64` Linux target.
     #[cfg_attr(feature = "clap", value(name = "x86_64-unknown-linux-musl"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "x86_64-unknown-linux-musl"))]
+    #[serde(rename = "x86_64-unknown-linux-musl")]
+    #[serde(alias = "x8664-unknown-linux-musl")]
     X8664UnknownLinuxMusl,
 
     /// An `x86_64` target for the `manylinux2014` platform. Equivalent to `x86_64-manylinux_2_17`.
     #[cfg_attr(feature = "clap", value(name = "x86_64-manylinux2014"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "x86_64-manylinux2014"))]
+    #[serde(rename = "x86_64-manylinux2014")]
+    #[serde(alias = "x8664-manylinux2014")]
     X8664Manylinux2014,
 
     /// An `x86_64` target for the `manylinux_2_17` platform.
     #[cfg_attr(feature = "clap", value(name = "x86_64-manylinux_2_17"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "x86_64-manylinux_2_17"))]
+    #[serde(rename = "x86_64-manylinux_2_17")]
+    #[serde(alias = "x8664-manylinux217")]
     X8664Manylinux217,
 
     /// An `x86_64` target for the `manylinux_2_28` platform.
     #[cfg_attr(feature = "clap", value(name = "x86_64-manylinux_2_28"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "x86_64-manylinux_2_28"))]
+    #[serde(rename = "x86_64-manylinux_2_28")]
+    #[serde(alias = "x8664-manylinux228")]
     X8664Manylinux228,
 
     /// An `x86_64` target for the `manylinux_2_31` platform.
     #[cfg_attr(feature = "clap", value(name = "x86_64-manylinux_2_31"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "x86_64-manylinux_2_31"))]
+    #[serde(rename = "x86_64-manylinux_2_31")]
+    #[serde(alias = "x8664-manylinux231")]
     X8664Manylinux231,
 
     /// An `x86_64` target for the `manylinux_2_32` platform.
     #[cfg_attr(feature = "clap", value(name = "x86_64-manylinux_2_32"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "x86_64-manylinux_2_32"))]
+    #[serde(rename = "x86_64-manylinux_2_32")]
+    #[serde(alias = "x8664-manylinux232")]
     X8664Manylinux232,
 
     /// An `x86_64` target for the `manylinux_2_33` platform.
     #[cfg_attr(feature = "clap", value(name = "x86_64-manylinux_2_33"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "x86_64-manylinux_2_33"))]
+    #[serde(rename = "x86_64-manylinux_2_33")]
+    #[serde(alias = "x8664-manylinux233")]
     X8664Manylinux233,
 
     /// An `x86_64` target for the `manylinux_2_34` platform.
     #[cfg_attr(feature = "clap", value(name = "x86_64-manylinux_2_34"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "x86_64-manylinux_2_34"))]
+    #[serde(rename = "x86_64-manylinux_2_34")]
+    #[serde(alias = "x8664-manylinux234")]
     X8664Manylinux234,
 
     /// An `x86_64` target for the `manylinux_2_35` platform.
     #[cfg_attr(feature = "clap", value(name = "x86_64-manylinux_2_35"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "x86_64-manylinux_2_35"))]
+    #[serde(rename = "x86_64-manylinux_2_35")]
+    #[serde(alias = "x8664-manylinux235")]
     X8664Manylinux235,
 
     /// An `x86_64` target for the `manylinux_2_36` platform.
     #[cfg_attr(feature = "clap", value(name = "x86_64-manylinux_2_36"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "x86_64-manylinux_2_36"))]
+    #[serde(rename = "x86_64-manylinux_2_36")]
+    #[serde(alias = "x8664-manylinux236")]
     X8664Manylinux236,
 
     /// An `x86_64` target for the `manylinux_2_37` platform.
     #[cfg_attr(feature = "clap", value(name = "x86_64-manylinux_2_37"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "x86_64-manylinux_2_37"))]
+    #[serde(rename = "x86_64-manylinux_2_37")]
+    #[serde(alias = "x8664-manylinux237")]
     X8664Manylinux237,
 
     /// An `x86_64` target for the `manylinux_2_38` platform.
     #[cfg_attr(feature = "clap", value(name = "x86_64-manylinux_2_38"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "x86_64-manylinux_2_38"))]
+    #[serde(rename = "x86_64-manylinux_2_38")]
+    #[serde(alias = "x8664-manylinux238")]
     X8664Manylinux238,
 
     /// An `x86_64` target for the `manylinux_2_39` platform.
     #[cfg_attr(feature = "clap", value(name = "x86_64-manylinux_2_39"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "x86_64-manylinux_2_39"))]
+    #[serde(rename = "x86_64-manylinux_2_39")]
+    #[serde(alias = "x8664-manylinux239")]
     X8664Manylinux239,
 
     /// An `x86_64` target for the `manylinux_2_40` platform.
     #[cfg_attr(feature = "clap", value(name = "x86_64-manylinux_2_40"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "x86_64-manylinux_2_40"))]
+    #[serde(rename = "x86_64-manylinux_2_40")]
+    #[serde(alias = "x8664-manylinux240")]
     X8664Manylinux240,
 
     /// An ARM64 target for the `manylinux2014` platform. Equivalent to `aarch64-manylinux_2_17`.
     #[cfg_attr(feature = "clap", value(name = "aarch64-manylinux2014"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "aarch64-manylinux2014"))]
+    #[serde(rename = "aarch64-manylinux2014")]
     Aarch64Manylinux2014,
 
     /// An ARM64 target for the `manylinux_2_17` platform.
     #[cfg_attr(feature = "clap", value(name = "aarch64-manylinux_2_17"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "aarch64-manylinux_2_17"))]
+    #[serde(rename = "aarch64-manylinux_2_17")]
+    #[serde(alias = "aarch64-manylinux217")]
     Aarch64Manylinux217,
 
     /// An ARM64 target for the `manylinux_2_28` platform.
     #[cfg_attr(feature = "clap", value(name = "aarch64-manylinux_2_28"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "aarch64-manylinux_2_28"))]
+    #[serde(rename = "aarch64-manylinux_2_28")]
+    #[serde(alias = "aarch64-manylinux228")]
     Aarch64Manylinux228,
 
     /// An ARM64 target for the `manylinux_2_31` platform.
     #[cfg_attr(feature = "clap", value(name = "aarch64-manylinux_2_31"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "aarch64-manylinux_2_31"))]
+    #[serde(rename = "aarch64-manylinux_2_31")]
+    #[serde(alias = "aarch64-manylinux231")]
     Aarch64Manylinux231,
 
     /// An ARM64 target for the `manylinux_2_32` platform.
     #[cfg_attr(feature = "clap", value(name = "aarch64-manylinux_2_32"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "aarch64-manylinux_2_32"))]
+    #[serde(rename = "aarch64-manylinux_2_32")]
+    #[serde(alias = "aarch64-manylinux232")]
     Aarch64Manylinux232,
 
     /// An ARM64 target for the `manylinux_2_33` platform.
     #[cfg_attr(feature = "clap", value(name = "aarch64-manylinux_2_33"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "aarch64-manylinux_2_33"))]
+    #[serde(rename = "aarch64-manylinux_2_33")]
+    #[serde(alias = "aarch64-manylinux233")]
     Aarch64Manylinux233,
 
     /// An ARM64 target for the `manylinux_2_34` platform.
     #[cfg_attr(feature = "clap", value(name = "aarch64-manylinux_2_34"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "aarch64-manylinux_2_34"))]
+    #[serde(rename = "aarch64-manylinux_2_34")]
+    #[serde(alias = "aarch64-manylinux234")]
     Aarch64Manylinux234,
 
     /// An ARM64 target for the `manylinux_2_35` platform.
     #[cfg_attr(feature = "clap", value(name = "aarch64-manylinux_2_35"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "aarch64-manylinux_2_35"))]
+    #[serde(rename = "aarch64-manylinux_2_35")]
+    #[serde(alias = "aarch64-manylinux235")]
     Aarch64Manylinux235,
 
     /// An ARM64 target for the `manylinux_2_36` platform.
     #[cfg_attr(feature = "clap", value(name = "aarch64-manylinux_2_36"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "aarch64-manylinux_2_36"))]
+    #[serde(rename = "aarch64-manylinux_2_36")]
+    #[serde(alias = "aarch64-manylinux236")]
     Aarch64Manylinux236,
 
     /// An ARM64 target for the `manylinux_2_37` platform.
     #[cfg_attr(feature = "clap", value(name = "aarch64-manylinux_2_37"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "aarch64-manylinux_2_37"))]
+    #[serde(rename = "aarch64-manylinux_2_37")]
+    #[serde(alias = "aarch64-manylinux237")]
     Aarch64Manylinux237,
 
     /// An ARM64 target for the `manylinux_2_38` platform.
     #[cfg_attr(feature = "clap", value(name = "aarch64-manylinux_2_38"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "aarch64-manylinux_2_38"))]
+    #[serde(rename = "aarch64-manylinux_2_38")]
+    #[serde(alias = "aarch64-manylinux238")]
     Aarch64Manylinux238,
 
     /// An ARM64 target for the `manylinux_2_39` platform.
     #[cfg_attr(feature = "clap", value(name = "aarch64-manylinux_2_39"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "aarch64-manylinux_2_39"))]
+    #[serde(rename = "aarch64-manylinux_2_39")]
+    #[serde(alias = "aarch64-manylinux239")]
     Aarch64Manylinux239,
 
     /// An ARM64 target for the `manylinux_2_40` platform.
     #[cfg_attr(feature = "clap", value(name = "aarch64-manylinux_2_40"))]
-    #[cfg_attr(feature = "schemars", schemars(rename = "aarch64-manylinux_2_40"))]
+    #[serde(rename = "aarch64-manylinux_2_40")]
+    #[serde(alias = "aarch64-manylinux240")]
     Aarch64Manylinux240,
 }
 
diff --git a/crates/uv/tests/it/show_settings.rs b/crates/uv/tests/it/show_settings.rs
index 265e1d133..3dc7454c2 100644
--- a/crates/uv/tests/it/show_settings.rs
+++ b/crates/uv/tests/it/show_settings.rs
@@ -858,6 +858,7 @@ fn resolve_pyproject_toml() -> anyhow::Result<()> {
         version = "0.0.0"
 
         [tool.uv.pip]
+        python-platform = "x86_64-unknown-linux-gnu"
         resolution = "lowest-direct"
         generate-hashes = true
         index-url = "https://pypi.org/simple"
@@ -997,7 +998,9 @@ fn resolve_pyproject_toml() -> anyhow::Result<()> {
                 {},
             ),
             python_version: None,
-            python_platform: None,
+            python_platform: Some(
+                X8664UnknownLinuxGnu,
+            ),
             universal: false,
             exclude_newer: None,
             no_emit_package: [],