diff --git a/tests/baselines/reference/api/tsserverlibrary.d.ts b/tests/baselines/reference/api/tsserverlibrary.d.ts
index 15eca3da329..52132ae832f 100644
--- a/tests/baselines/reference/api/tsserverlibrary.d.ts
+++ b/tests/baselines/reference/api/tsserverlibrary.d.ts
@@ -2158,6 +2158,7 @@ declare namespace ts {
     interface JsFileExtensionInfo {
         extension: string;
         isMixedContent: boolean;
+        scriptKind?: ScriptKind;
     }
     interface DiagnosticMessage {
         key: string;
diff --git a/tests/baselines/reference/api/typescript.d.ts b/tests/baselines/reference/api/typescript.d.ts
index f3180b9d106..976d50942ae 100644
--- a/tests/baselines/reference/api/typescript.d.ts
+++ b/tests/baselines/reference/api/typescript.d.ts
@@ -2158,6 +2158,7 @@ declare namespace ts {
     interface JsFileExtensionInfo {
         extension: string;
         isMixedContent: boolean;
+        scriptKind?: ScriptKind;
     }
     interface DiagnosticMessage {
         key: string;