diff --git a/package.json b/package.json
index 82ed720..8ee25ec 100644
--- a/package.json
+++ b/package.json
@@ -16,8 +16,7 @@
     "rollup": "rollup --config",
     "uglify": "uglifyjs dist/index.js --compress -o dist/index.min.js",
     "dist": "npm run rollup && npm run uglify",
-    "test:coverage": "nyc npm test",
-    "postversion": "cp -r package.json .. && cp -r npm-shrinkwrap.json .."
+    "test:coverage": "nyc npm test"
   },
   "keywords": [],
   "license": "MIT",
diff --git a/release.config.mjs b/release.config.mjs
index 7f77df3..027c5c2 100644
--- a/release.config.mjs
+++ b/release.config.mjs
@@ -36,7 +36,7 @@ export default {
     [
       "@semantic-release/git",
       {
-        assets: ["package.json", "package-lock.json", "npm-shrinkwrap.json", "CHANGELOG.md"],
+        assets: ["package.json", "package-lock.json", "CHANGELOG.md"],
         message: "chore(release): ${nextRelease.version} [skip ci]\n\n${nextRelease.notes}",
       },
     ],