diff --git a/package.json b/package.json
index 4b38191..710b294 100644
--- a/package.json
+++ b/package.json
@@ -90,7 +90,7 @@
     "fixpack": "4.0.0",
     "husky": "6.0.0",
     "lint-staged": "11.0.0",
-    "microbundle": "0.13.0",
+    "microbundle": "0.13.1",
     "np": "7.5.0",
     "pinst": "2.1.6",
     "power-assert": "1.6.1",
diff --git a/yarn.lock b/yarn.lock
index f279f32..1ed2e7d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6934,10 +6934,10 @@ micro-spelling-correcter@^1.1.1:
   resolved "https://registry.yarnpkg.com/micro-spelling-correcter/-/micro-spelling-correcter-1.1.1.tgz#805a06a26ccfcad8f3e5c6a1ac5ff29d4530166e"
   integrity sha512-lkJ3Rj/mtjlRcHk6YyCbvZhyWTOzdBvTHsxMmZSk5jxN1YyVSQ+JETAom55mdzfcyDrY/49Z7UCW760BK30crg==
 
-microbundle@0.13.0:
-  version "0.13.0"
-  resolved "https://registry.yarnpkg.com/microbundle/-/microbundle-0.13.0.tgz#e715a7492c6d2b42c292281f381e550dc0e014ee"
-  integrity sha512-d5glQP8nWoaZhgNF7pxmBpSI/zYMn0NfjH5tOjLudfgoceWiiq+5crwIHGqWKFDbaTcyMjD9HKowy3hNWJCHow==
+microbundle@0.13.1:
+  version "0.13.1"
+  resolved "https://registry.yarnpkg.com/microbundle/-/microbundle-0.13.1.tgz#c65307026f2862147bd4dcea267eb2f3eaa9e79d"
+  integrity sha512-dwwSJp5WjQ3eRievTItnZtqa2blufQJgeExUWCwvKFYKB3L4xOAZ6bPdRVgzq1rKmi8RybNo6eukJU3Zcx+1JA==
   dependencies:
     "@babel/core" "^7.12.10"
     "@babel/plugin-proposal-class-properties" "7.12.1"