diff --git a/tower/CHANGELOG.md b/tower/CHANGELOG.md
index 1e7497e9c..ca97e67e6 100644
--- a/tower/CHANGELOG.md
+++ b/tower/CHANGELOG.md
@@ -6,6 +6,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 # Unreleased
 
+- **builder**: Add `ServiceBuilder::layer_fn` to add a layer built from a function.
 - **builder**: Add `ServiceBuilder::map_future` for transforming the futures produced
   by a service.
 - **util**: Add example for `service_fn`.
diff --git a/tower/src/builder/mod.rs b/tower/src/builder/mod.rs
index 20b1a36ce..f733861dd 100644
--- a/tower/src/builder/mod.rs
+++ b/tower/src/builder/mod.rs
@@ -159,6 +159,15 @@ impl<L> ServiceBuilder<L> {
         self.layer(crate::util::option_layer(layer))
     }
 
+    /// Add a [`Layer`] built from a function that accepts a service and returns another service.
+    ///
+    /// See the documentation for [`layer_fn`] for more details.
+    ///
+    /// [`layer_fn`]: crate::layer::layer_fn
+    pub fn layer_fn<F>(self, f: F) -> ServiceBuilder<Stack<crate::layer::LayerFn<F>, L>> {
+        self.layer(crate::layer::layer_fn(f))
+    }
+
     /// Buffer requests when when the next layer is not ready.
     ///
     /// This wraps the inner service with an instance of the [`Buffer`]