diff --git a/Cargo.toml b/Cargo.toml
index 706789b11..f1b73bd65 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -80,7 +80,7 @@ axoupdater = { version = "0.9.0", default-features = false }
 backoff = { version = "0.4.0" }
 base64 = { version = "0.22.1" }
 bitflags = { version = "2.6.0" }
-boxcar = { version = "0.2.5" }
+boxcar = { version = "0.2.8" }
 bytecheck = { version = "0.8.0" }
 cachedir = { version = "0.3.1" }
 cargo-util = { version = "0.2.14" }
diff --git a/crates/uv-platform-tags/src/platform.rs b/crates/uv-platform-tags/src/platform.rs
index 12876bb08..e3418a17d 100644
--- a/crates/uv-platform-tags/src/platform.rs
+++ b/crates/uv-platform-tags/src/platform.rs
@@ -77,6 +77,7 @@ impl fmt::Display for Os {
 pub enum Arch {
     #[serde(alias = "arm64")]
     Aarch64,
+    Armv5TEL,
     Armv6L,
     #[serde(alias = "armv8l")]
     Armv7L,
@@ -96,6 +97,7 @@ impl fmt::Display for Arch {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         match *self {
             Self::Aarch64 => write!(f, "aarch64"),
+            Self::Armv5TEL => write!(f, "armv5tel"),
             Self::Armv6L => write!(f, "armv6l"),
             Self::Armv7L => write!(f, "armv7l"),
             Self::Powerpc64Le => write!(f, "ppc64le"),
@@ -122,7 +124,7 @@ impl Arch {
             // manylinux_2_31
             Self::Riscv64 => Some(31),
             // unsupported
-            Self::Armv6L => None,
+            Self::Armv5TEL | Self::Armv6L => None,
         }
     }
 }
diff --git a/crates/uv-python/src/platform.rs b/crates/uv-python/src/platform.rs
index 9f933633d..67342ae1a 100644
--- a/crates/uv-python/src/platform.rs
+++ b/crates/uv-python/src/platform.rs
@@ -54,7 +54,7 @@ impl Libc {
                     // Checks if the CPU supports hardware floating-point operations.
                     // Depending on the result, it selects either the `gnueabihf` (hard-float) or `gnueabi` (soft-float) environment.
                     // download-metadata.json only includes armv7.
-                    "arm" | "armv7" => match detect_hardware_floating_point_support() {
+                    "arm" | "armv5te" | "armv7" => match detect_hardware_floating_point_support() {
                         Ok(true) => target_lexicon::Environment::Gnueabihf,
                         Ok(false) => target_lexicon::Environment::Gnueabi,
                         Err(_) => target_lexicon::Environment::Gnu,
@@ -240,6 +240,10 @@ impl From<&uv_platform_tags::Arch> for Arch {
                 ),
                 variant: None,
             },
+            uv_platform_tags::Arch::Armv5TEL => Self {
+                family: target_lexicon::Architecture::Arm(target_lexicon::ArmArchitecture::Armv5te),
+                variant: None,
+            },
             uv_platform_tags::Arch::Armv6L => Self {
                 family: target_lexicon::Architecture::Arm(target_lexicon::ArmArchitecture::Armv6),
                 variant: None,
diff --git a/crates/uv-python/template-download-metadata.py b/crates/uv-python/template-download-metadata.py
index 95313a699..4be2d0ef9 100755
--- a/crates/uv-python/template-download-metadata.py
+++ b/crates/uv-python/template-download-metadata.py
@@ -69,6 +69,8 @@ def prepare_arch(arch: dict) -> tuple[str, str]:
             family = "X86_32(target_lexicon::X86_32Architecture::I686)"
         case "aarch64":
             family = "Aarch64(target_lexicon::Aarch64Architecture::Aarch64)"
+        case "armv5tel":
+            family = "Arm(target_lexicon::ArmArchitecture::Armv5te)"
         case "armv7":
             family = "Arm(target_lexicon::ArmArchitecture::Armv7)"
         case value: