diff --git a/package.json b/package.json
index 6492df9..1de6557 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
     "mocha": "6.2.0",
     "noicejs": "2.5.2",
     "nyc": "14.1.1",
-    "rollup": "1.21.3",
+    "rollup": "1.21.4",
     "rollup-plugin-commonjs": "10.1.0",
     "rollup-plugin-json": "4.0.0",
     "rollup-plugin-multi-entry": "2.1.0",
diff --git a/yarn.lock b/yarn.lock
index 477b04c..ece2fa3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2461,10 +2461,10 @@ rollup-pluginutils@2.8.1, rollup-pluginutils@^2.0.1, rollup-pluginutils@^2.5.0,
   dependencies:
     estree-walker "^0.6.1"
 
-rollup@1.21.3:
-  version "1.21.3"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.21.3.tgz#2d957e04b230b06a85b8c617bf594f92c37c4d5d"
-  integrity sha512-43CgeUtHhfiqBOUd0uJo5NEOg2FuheF3SqGN8BqgvnqB4xM2TbfPdudeSdllDcMKpagHb//qtpaAADBurT4GzA==
+rollup@1.21.4:
+  version "1.21.4"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.21.4.tgz#00a41a30f90095db890301b226cbe2918e4cf54d"
+  integrity sha512-Pl512XVCmVzgcBz5h/3Li4oTaoDcmpuFZ+kdhS/wLreALz//WuDAMfomD3QEYl84NkDu6Z6wV9twlcREb4qQsw==
   dependencies:
     "@types/estree" "0.0.39"
     "@types/node" "^12.7.5"