diff --git a/Cargo.lock b/Cargo.lock
index a567dbf00..7bb4c2782 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -213,17 +213,6 @@ dependencies = [
  "tokio",
 ]
 
-[[package]]
-name = "async-recursion"
-version = "1.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5fd55a5ba1179988837d24ab4c7cc8ed6efdeff578ede0416b4225a5fca35bd0"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.52",
-]
-
 [[package]]
 name = "async-trait"
 version = "0.1.78"
@@ -2963,7 +2952,6 @@ version = "0.0.1"
 dependencies = [
  "anyhow",
  "assert_fs",
- "async-recursion",
  "fs-err",
  "indoc",
  "insta",
diff --git a/Cargo.toml b/Cargo.toml
index c7126b7c9..a14ae840a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,7 @@ resolver = "2"
 
 [workspace.package]
 edition = "2021"
-rust-version = "1.76"
+rust-version = "1.77"
 homepage = "https://pypi.org/project/uv/"
 documentation = "https://pypi.org/project/uv/"
 repository = "https://github.com/astral-sh/uv"
@@ -53,7 +53,6 @@ anstream = { version = "0.6.13" }
 anyhow = { version = "1.0.80" }
 async-channel = { version = "2.2.0" }
 async-compression = { version = "0.4.6" }
-async-recursion = { version = "1.0.5" }
 async-trait = { version = "0.1.78" }
 async_http_range_reader = { version = "0.7.0" }
 async_zip = { git = "https://github.com/charliermarsh/rs-async-zip", rev = "d76801da0943de985254fc6255c0e476b57c5836", features = ["deflate"] }
diff --git a/crates/requirements-txt/Cargo.toml b/crates/requirements-txt/Cargo.toml
index 47eb4ae37..17c7525b6 100644
--- a/crates/requirements-txt/Cargo.toml
+++ b/crates/requirements-txt/Cargo.toml
@@ -20,7 +20,6 @@ uv-normalize = { workspace = true }
 uv-types = { workspace = true }
 uv-warnings = { workspace = true }
 
-async-recursion = { workspace = true }
 fs-err = { workspace = true }
 regex = { workspace = true }
 reqwest = { workspace = true, optional = true }
diff --git a/crates/requirements-txt/src/lib.rs b/crates/requirements-txt/src/lib.rs
index df509a111..47968a3e3 100644
--- a/crates/requirements-txt/src/lib.rs
+++ b/crates/requirements-txt/src/lib.rs
@@ -40,7 +40,6 @@ use std::io;
 use std::path::{Path, PathBuf};
 use std::str::FromStr;
 
-use async_recursion::async_recursion;
 use serde::{Deserialize, Serialize};
 use tracing::instrument;
 use unscanny::{Pattern, Scanner};
@@ -413,12 +412,11 @@ impl RequirementsTxt {
     /// the current working directory. However, relative paths to sub-files (e.g., `-r ../requirements.txt`)
     /// are resolved against the directory of the containing `requirements.txt` file, to match
     /// `pip`'s behavior.
-    #[async_recursion]
     pub async fn parse_inner(
         content: &str,
         working_dir: &Path,
         requirements_dir: &Path,
-        client_builder: &BaseClientBuilder<'async_recursion>,
+        client_builder: &BaseClientBuilder<'_>,
     ) -> Result<Self, RequirementsTxtParserError> {
         let mut s = Scanner::new(content);
 
@@ -437,13 +435,14 @@ impl RequirementsTxt {
                         } else {
                             requirements_dir.join(filename.as_ref())
                         };
-                    let sub_requirements = Self::parse(&sub_file, working_dir, client_builder)
-                        .await
-                        .map_err(|err| RequirementsTxtParserError::Subfile {
-                            source: Box::new(err),
-                            start,
-                            end,
-                        })?;
+                    let sub_requirements =
+                        Box::pin(Self::parse(&sub_file, working_dir, client_builder))
+                            .await
+                            .map_err(|err| RequirementsTxtParserError::Subfile {
+                                source: Box::new(err),
+                                start,
+                                end,
+                            })?;
 
                     // Disallow conflicting `--index-url` in nested `requirements` files.
                     if sub_requirements.index_url.is_some()
@@ -475,13 +474,15 @@ impl RequirementsTxt {
                         } else {
                             requirements_dir.join(filename.as_ref())
                         };
-                    let sub_constraints = Self::parse(&sub_file, working_dir, client_builder)
-                        .await
-                        .map_err(|err| RequirementsTxtParserError::Subfile {
-                            source: Box::new(err),
-                            start,
-                            end,
-                        })?;
+                    let sub_constraints =
+                        Box::pin(Self::parse(&sub_file, working_dir, client_builder))
+                            .await
+                            .map_err(|err| RequirementsTxtParserError::Subfile {
+                                source: Box::new(err),
+                                start,
+                                end,
+                            })?;
+
                     // Treat any nested requirements or constraints as constraints. This differs
                     // from `pip`, which seems to treat `-r` requirements in constraints files as
                     // _requirements_, but we don't want to support that.
diff --git a/crates/uv-resolver/src/finder.rs b/crates/uv-resolver/src/finder.rs
index b0a428af0..253349cd9 100644
--- a/crates/uv-resolver/src/finder.rs
+++ b/crates/uv-resolver/src/finder.rs
@@ -163,9 +163,7 @@ impl<'a> DistFinder<'a> {
                     resolvable_dist
                         .compatible_wheel()
                         .map(|(dist, tag_priority)| (dist.clone(), tag_priority)),
-                    resolvable_dist
-                        .compatible_source()
-                        .map(std::clone::Clone::clone),
+                    resolvable_dist.compatible_source().cloned(),
                 )
             } else {
                 (None, None, None)
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 83a52c383..fcc85b9ec 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,2 +1,2 @@
 [toolchain]
-channel = "1.76"
+channel = "1.77"