diff --git a/package.json b/package.json
index c85a52a..481c2c5 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "@types/fs-extra": "^9.0.13",
     "@types/get-port": "^4.2.0",
     "@types/html-webpack-plugin": "^3.2.6",
-    "@types/jest": "^27.0.3",
+    "@types/jest": "^27.4.0",
     "@types/jszip": "^3.4.1",
     "@types/openpgp": "^4.4.18",
     "@types/react": "^17.0.38",
diff --git a/yarn.lock b/yarn.lock
index 84887fd..fe7d339 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2022,10 +2022,10 @@
   dependencies:
     "@types/istanbul-lib-report" "*"
 
-"@types/jest@^27.0.3":
-  version "27.0.3"
-  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-27.0.3.tgz#0cf9dfe9009e467f70a342f0f94ead19842a783a"
-  integrity sha512-cmmwv9t7gBYt7hNKH5Spu7Kuu/DotGa+Ff+JGRKZ4db5eh8PnKS4LuebJ3YLUoyOyIHraTGyULn23YtEAm0VSg==
+"@types/jest@^27.4.0":
+  version "27.4.0"
+  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-27.4.0.tgz#037ab8b872067cae842a320841693080f9cb84ed"
+  integrity sha512-gHl8XuC1RZ8H2j5sHv/JqsaxXkDDM9iDOgu0Wp8sjs4u/snb2PVehyWXJPr+ORA0RPpgw231mnutWI1+0hgjIQ==
   dependencies:
     jest-diff "^27.0.0"
     pretty-format "^27.0.0"