diff --git a/frame-metadata/src/v16.rs b/frame-metadata/src/v16.rs
index 375b5d4..a63d430 100644
--- a/frame-metadata/src/v16.rs
+++ b/frame-metadata/src/v16.rs
@@ -98,8 +98,10 @@ pub struct RuntimeApiMetadata<T: Form = MetaForm> {
 	pub methods: Vec<RuntimeApiMethodMetadata<T>>,
 	/// Trait documentation.
 	pub docs: Vec<T::String>,
-	/// Deprecation info
+	/// Deprecation info.
 	pub deprecation_info: DeprecationStatus<T>,
+	/// Runtime API version.
+	pub version: u32,
 }
 
 impl IntoPortable for RuntimeApiMetadata {
@@ -111,6 +113,7 @@ impl IntoPortable for RuntimeApiMetadata {
 			methods: registry.map_into_portable(self.methods),
 			docs: registry.map_into_portable(self.docs),
 			deprecation_info: self.deprecation_info.into_portable(registry),
+			version: self.version,
 		}
 	}
 }