diff --git a/package.json b/package.json
index 85fb9f5..299da13 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "mocha": "7.0.0",
     "mocha-lcov-reporter": "1.3.0",
     "nyc": "15.0.0",
-    "rollup": "1.31.0",
+    "rollup": "1.31.1",
     "rollup-plugin-babel": "4.3.3",
     "rollup-plugin-uglify": "6.0.4"
   },
diff --git a/yarn.lock b/yarn.lock
index fb73203..40319e1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3135,10 +3135,10 @@ rollup-pluginutils@^2.8.1:
   dependencies:
     estree-walker "^0.6.1"
 
-rollup@1.31.0:
-  version "1.31.0"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.31.0.tgz#e2a87212e96aa7850f3eb53fdd02cf89f2d2fe9a"
-  integrity sha512-9C6ovSyNeEwvuRuUUmsTpJcXac1AwSL1a3x+O5lpmQKZqi5mmrjauLeqIjvREC+yNRR8fPdzByojDng+af3nVw==
+rollup@1.31.1:
+  version "1.31.1"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.31.1.tgz#4170d6f87148d46e5fbe29b493f8f3ea3453c96f"
+  integrity sha512-2JREN1YdrS/kpPzEd33ZjtuNbOuBC3ePfuZBdKEybvqcEcszW1ckyVqzcEiEe0nE8sqHK+pbJg+PsAgRJ8+1dg==
   dependencies:
     "@types/estree" "*"
     "@types/node" "*"