diff --git a/package.json b/package.json
index 625a72d..f98baad 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "airtable": "^0.8.1",
     "buefy": "^0.8.8",
     "bulmaswatch": "^0.7.5",
-    "core-js": "^3.4.3",
+    "core-js": "^3.11.2",
     "epic-spinners": "^1.1.0",
     "marked": "^0.8.2",
     "vue": "^2.6.10",
diff --git a/yarn.lock b/yarn.lock
index c19174a..332fed1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2456,10 +2456,10 @@ core-js-compat@^3.1.1, core-js-compat@^3.4.3:
     browserslist "^4.7.3"
     semver "^6.3.0"
 
-core-js@^3.4.3:
-  version "3.4.5"
-  resolved "https://registry.npm.taobao.org/core-js/download/core-js-3.4.5.tgz?cache=0&sync_timestamp=1574894721044&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fcore-js%2Fdownload%2Fcore-js-3.4.5.tgz#3dda65611d95699b5eb7742ea451ea052d37aa65"
-  integrity sha1-PdplYR2VaZtet3QupFHqBS03qmU=
+core-js@^3.11.2, core-js@^3.4.3:
+  version "3.11.2"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.11.2.tgz#af087a43373fc6e72942917c4a4c3de43ed574d6"
+  integrity sha512-3tfrrO1JpJSYGKnd9LKTBPqgUES/UYiCzMKeqwR1+jF16q4kD1BY2NvqkfuzXwQ6+CIWm55V9cjD7PQd+hijdw==
 
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"