diff --git a/js/package.json b/js/package.json
index 744047c2..8c33e5da 100644
--- a/js/package.json
+++ b/js/package.json
@@ -57,7 +57,7 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.3.1",
-    "core-js": "^2.5.0",
+    "core-js": "^2.6.12",
     "punycode": "1.4.1",
     "twemoji-parser": "^11.0.2"
   }
diff --git a/js/yarn.lock b/js/yarn.lock
index 5ed956d5..cc2a07f9 100644
--- a/js/yarn.lock
+++ b/js/yarn.lock
@@ -1347,10 +1347,10 @@ core-js-compat@^3.1.1:
     browserslist "^4.7.1"
     semver "^6.3.0"
 
-core-js@^2.5.0:
-  version "2.6.10"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.10.tgz#8a5b8391f8cc7013da703411ce5b585706300d7f"
-  integrity sha512-I39t74+4t+zau64EN1fE5v2W31Adtc/REhzWN+gWRRXg6WH5qAsZm62DHpQ1+Yhe4047T55jvzz7MUqF/dBBlA==
+core-js@^2.6.12:
+  version "2.6.12"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.12.tgz#d9333dfa7b065e347cc5682219d6f690859cc2ec"
+  integrity sha512-Kb2wC0fvsWfQrgk8HU5lW6U/Lcs8+9aaYcy4ZFc6DDlo4nZ7n70dEgE5rtR0oG6ufKDUnrwfWL1mXR5ljDatrQ==
 
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"