diff --git a/compiler/crates/schema/src/in_memory/mod.rs b/compiler/crates/schema/src/in_memory/mod.rs
index c9979ce31e71e..d3668c0ab8418 100644
--- a/compiler/crates/schema/src/in_memory/mod.rs
+++ b/compiler/crates/schema/src/in_memory/mod.rs
@@ -37,7 +37,7 @@ fn todo_add_location<T>(error: SchemaError) -> DiagnosticsResult<T> {
     Err(vec![Diagnostic::error(error, Location::generated())])
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct InMemorySchema {
     query_type: Option<ObjectID>,
     mutation_type: Option<ObjectID>,