diff --git a/package.json b/package.json
index 5e290f4..9e8521e 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "rollup-plugin-json": "4.0.0",
     "rollup-plugin-multi-entry": "2.1.0",
     "rollup-plugin-node-externals": "2.2.0",
-    "rollup-plugin-node-polyfills": "^0.2.1",
+    "rollup-plugin-node-polyfills": "0.2.1",
     "rollup-plugin-node-resolve": "5.2.0",
     "rollup-plugin-replace": "2.2.0",
     "rollup-plugin-tslint": "0.2.2",
diff --git a/yarn.lock b/yarn.lock
index eda7cfe..bc9b2ce 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3453,7 +3453,7 @@ rollup-plugin-node-externals@2.2.0:
   dependencies:
     find-up "^4.1.0"
 
-rollup-plugin-node-polyfills@^0.2.1:
+rollup-plugin-node-polyfills@0.2.1:
   version "0.2.1"
   resolved "https://artifacts.apextoaster.com/repository/group-npm/rollup-plugin-node-polyfills/-/rollup-plugin-node-polyfills-0.2.1.tgz#53092a2744837164d5b8a28812ba5f3ff61109fd"
   integrity sha512-4kCrKPTJ6sK4/gLL/U5QzVT8cxJcofO0OU74tnB19F40cmuAKSzH5/siithxlofFEjwvw1YAhPmbvGNA6jEroA==