diff --git a/packages/index.ts b/packages/index.ts
index b668fa0ad2..16e68090f9 100644
--- a/packages/index.ts
+++ b/packages/index.ts
@@ -23,7 +23,7 @@ export interface PerseusCore {
     KhanAnswerTypesUtils: typeof KhanAnswerTypesUtils;
     KhanMath: typeof KhanMath;
     Interactive2: typeof Interactive2;
-    similar: typeof similar;
+    similarCoords: typeof similar;
     parseTex: (
         tex: string,
         options?: TexOptions,
diff --git a/packages/package.json b/packages/package.json
index 05d8a23443..a5783a68ca 100644
--- a/packages/package.json
+++ b/packages/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@junyiacademy/perseus-core",
-  "version": "1.0.38",
+  "version": "1.0.39",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
   "license": "MIT",