diff --git a/Cargo.toml b/Cargo.toml
index 939d4ea..95c8425 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,6 +28,6 @@ typed-builder = "0.18.0"
 spec = { path = "spec" }
 
 [features]
-default = [ "mockall" ]
-mockall = [ "dep:mockall" ]
+default = [ "test-util" ]
+test-util = [ "dep:mockall" ]
 serde_json = [ "dep:serde_json" ]
\ No newline at end of file
diff --git a/src/provider/feature_provider.rs b/src/provider/feature_provider.rs
index 31c68a1..c1019c8 100644
--- a/src/provider/feature_provider.rs
+++ b/src/provider/feature_provider.rs
@@ -21,7 +21,7 @@ use super::ResolutionDetails;
 /// vendor SDK, embed an REST client, or read flags from a local file.
 ///
 /// See the [spec](https://openfeature.dev/specification/sections/providers).
-#[cfg_attr(feature = "mockall", mockall::automock)]
+#[cfg_attr(feature = "test-util", mockall::automock)]
 #[async_trait]
 pub trait FeatureProvider: Send + Sync + 'static {
     /// The provider MAY define an initialize function which accepts the global evaluation