diff --git a/package.json b/package.json
index e7c123e0..4fe54f3b 100644
--- a/package.json
+++ b/package.json
@@ -115,7 +115,7 @@
   "devDependencies": {
     "assert": "^2.0.0",
     "eslint-plugin-html": "^6.0.0",
-    "fake-indexeddb": "^2.1.1",
+    "fake-indexeddb": "^3.0.0",
     "mocha": "^6.2.1",
     "now": "^16.3.1",
     "standard": "^14.3.1",
diff --git a/yarn.lock b/yarn.lock
index ce664068..1cc6d99f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2875,7 +2875,7 @@ core-js@^1.0.0:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-1.2.7.tgz#652294c14651db28fa93bd2d5ff2983a4f08c636"
   integrity sha1-ZSKUwUZR2yj6k70tX/KYOk8IxjY=
 
-core-js@^2.4.0, core-js@^2.4.1, core-js@^2.5.0, core-js@^2.5.3:
+core-js@^2.4.0, core-js@^2.5.0, core-js@^2.5.3:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.9.tgz#6b4b214620c834152e179323727fc19741b084f2"
   integrity sha512-HOpZf6eXmnl7la+cUdMnLvUxKNqLUzJvgIziQ0DiF3JwSImNphIqdGqzj6hIKyX04MmV0poclQ7+wjWvxQyR2A==
@@ -3945,12 +3945,11 @@ extsprintf@^1.2.0:
   resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.4.0.tgz#e2689f8f356fad62cca65a3a91c5df5f9551692f"
   integrity sha1-4mifjzVvrWLMplo6kcXfX5VRaS8=
 
-fake-indexeddb@^2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/fake-indexeddb/-/fake-indexeddb-2.1.1.tgz#0a72a53f3844ac76320d15e3f15860d4ce19f0ce"
-  integrity sha512-di5PzbH6/gleD4qcpxT1IDtNNMTKuEs+C2KeJDP1e4mwP2L0UY+vPcTkCdIGq8IcaUUph6IkCrUZJvtpFUdhfg==
+fake-indexeddb@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/fake-indexeddb/-/fake-indexeddb-3.0.0.tgz#1bd0ffce41b0f433409df301d334d8fd7d77da27"
+  integrity sha512-VrnV9dJWlVWvd8hp9MMR+JS4RLC4ZmToSkuCg91ZwpYE5mSODb3n5VEaV62Hf3AusnbrPfwQhukU+rGZm5W8PQ==
   dependencies:
-    core-js "^2.4.1"
     realistic-structured-clone "^2.0.1"
     setimmediate "^1.0.5"