diff --git a/CHANGELOG.md b/CHANGELOG.md
index 04fd5201..8a1b7589 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,7 +15,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - `ExecDProgramOutputKey`, `ProcessType`, `LayerName`, `BuildpackId` and `StackId` now implement `Ord` and `PartialOrd`. ([#658](https://github.com/heroku/libcnb.rs/pull/658))
   - Add `generic::GenericMetadata` as a generic metadata type. Also makes it the default for `BuildpackDescriptor`, `SingleBuildpackDescriptor`, `MetaBuildpackDescriptor` and `LayerContentMetadata`. ([#664](https://github.com/heroku/libcnb.rs/pull/664))
 - `libcnb`:
-  - `LayerTypes` now implements `Clone`. ([#670](https://github.com/heroku/libcnb.rs/pull/670)).
+  - Struct `LayerTypes` now implements `Copy` and `Clone`. This allows injection of layer types into the struct implementing the `Layer` trait ([#670](https://github.com/heroku/libcnb.rs/pull/670)).
 
 ### Changed
 
diff --git a/libcnb-data/src/layer_content_metadata.rs b/libcnb-data/src/layer_content_metadata.rs
index 47519be0..dadec05b 100644
--- a/libcnb-data/src/layer_content_metadata.rs
+++ b/libcnb-data/src/layer_content_metadata.rs
@@ -21,7 +21,7 @@ impl<M: PartialEq> PartialEq for LayerContentMetadata<M> {
 
 /// Used to specify layer availability based
 /// on buildpack phase.
-#[derive(Debug, Default, Deserialize, Serialize, Eq, PartialEq, Clone)]
+#[derive(Debug, Default, Deserialize, Serialize, Eq, PartialEq, Copy, Clone)]
 #[serde(deny_unknown_fields)]
 pub struct LayerTypes {
     /// Whether the layer is intended for launch.