diff --git a/package.json b/package.json
index 5a03dbc..f12540e 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "react-dom": "16.4.1",
     "rollup": "0.60.7",
     "rollup-plugin-babel": "3.0.7",
-    "rollup-plugin-commonjs": "9.1.3",
+    "rollup-plugin-commonjs": "9.1.8",
     "rollup-plugin-node-globals": "1.2.1",
     "rollup-plugin-node-resolve": "3.3.0",
     "rollup-plugin-replace": "2.0.0",
diff --git a/yarn.lock b/yarn.lock
index d215c51..72e4019 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7292,9 +7292,9 @@ rollup-plugin-babel@3.0.7:
   dependencies:
     rollup-pluginutils "^1.5.0"
 
-rollup-plugin-commonjs@9.1.3:
-  version "9.1.3"
-  resolved "https://registry.yarnpkg.com/rollup-plugin-commonjs/-/rollup-plugin-commonjs-9.1.3.tgz#37bfbf341292ea14f512438a56df8f9ca3ba4d67"
+rollup-plugin-commonjs@9.1.8:
+  version "9.1.8"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-commonjs/-/rollup-plugin-commonjs-9.1.8.tgz#4113ed94e6054b5f8a3501d8811f934cadde3246"
   dependencies:
     estree-walker "^0.5.1"
     magic-string "^0.22.4"