diff --git a/crates/uv-configuration/Cargo.toml b/crates/uv-configuration/Cargo.toml
index 27fff951d32f..34f05896d2a9 100644
--- a/crates/uv-configuration/Cargo.toml
+++ b/crates/uv-configuration/Cargo.toml
@@ -19,7 +19,6 @@ platform-tags = { workspace = true }
 uv-auth = { workspace = true }
 uv-normalize = { workspace = true }
 
-anyhow = { workspace = true }
 clap = { workspace = true, features = ["derive"], optional = true }
 itertools = { workspace = true }
 rustc-hash = { workspace = true }
@@ -28,5 +27,8 @@ serde = { workspace = true }
 serde_json = { workspace = true }
 tracing = { workspace = true }
 
+[dev-dependencies]
+anyhow = { workspace = true }
+
 [features]
 default = []
diff --git a/crates/uv-configuration/src/config_settings.rs b/crates/uv-configuration/src/config_settings.rs
index 530224c7a9cf..d69bb19c71e1 100644
--- a/crates/uv-configuration/src/config_settings.rs
+++ b/crates/uv-configuration/src/config_settings.rs
@@ -12,11 +12,11 @@ pub struct ConfigSettingEntry {
 }
 
 impl FromStr for ConfigSettingEntry {
-    type Err = anyhow::Error;
+    type Err = String;
 
     fn from_str(s: &str) -> Result<Self, Self::Err> {
         let Some((key, value)) = s.split_once('=') else {
-            return Err(anyhow::anyhow!(
+            return Err(format!(
                 "Invalid config setting: {s} (expected `KEY=VALUE`)"
             ));
         };