diff --git a/crates/biome_configuration/src/javascript/mod.rs b/crates/biome_configuration/src/javascript/mod.rs
index f7e82e90b0aa..982db76db1cd 100644
--- a/crates/biome_configuration/src/javascript/mod.rs
+++ b/crates/biome_configuration/src/javascript/mod.rs
@@ -62,6 +62,7 @@ pub struct JavascriptParser {
     Bpaf, Clone, Copy, Debug, Default, Deserialize, Deserializable, Eq, Merge, PartialEq, Serialize,
 )]
 #[cfg_attr(feature = "schema", derive(schemars::JsonSchema))]
+#[serde(rename_all = "camelCase")]
 pub enum JsxRuntime {
     /// Indicates a modern or native JSX environment, that doesn't require
     /// special handling by Biome.
diff --git a/packages/@biomejs/backend-jsonrpc/src/workspace.ts b/packages/@biomejs/backend-jsonrpc/src/workspace.ts
index e76b65344a12..10be7ec52d60 100644
--- a/packages/@biomejs/backend-jsonrpc/src/workspace.ts
+++ b/packages/@biomejs/backend-jsonrpc/src/workspace.ts
@@ -359,7 +359,7 @@ export interface PartialJavascriptFormatter {
 /**
  * Indicates the type of runtime or transformation used for interpreting JSX.
  */
-export type JsxRuntime = "Transparent" | "ReactClassic";
+export type JsxRuntime = "transparent" | "reactClassic";
 export interface PartialJavascriptOrganizeImports {}
 /**
  * Options that changes how the JavaScript parser behaves