diff --git a/packages/ast-spec/package.json b/packages/ast-spec/package.json
index d627bd45d78d..5b735cb0dfd5 100644
--- a/packages/ast-spec/package.json
+++ b/packages/ast-spec/package.json
@@ -29,7 +29,7 @@
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "scripts": {
-    "build": "tsc -b tsconfig.build.json",
+    "build": "tsc -b tsconfig.build.json && api-extractor run --local",
     "clean": "tsc -b tsconfig.build.json --clean",
     "postclean": "rimraf dist && rimraf _ts3.4 && rimraf .rollup.cache && rimraf coverage",
     "clean-fixtures": "rimraf -g \"./src/**/fixtures/**/snapshots\"",