diff --git a/package.json b/package.json
index 9dc4569..f4e0650 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "@babel/plugin-proposal-nullish-coalescing-operator": "^7.12.1",
     "@babel/plugin-proposal-optional-chaining": "^7.12.1",
     "@babel/preset-env": "^7.12.1",
-    "@types/jest": "^26.0.14",
+    "@types/jest": "^27.0.0",
     "@zlanguage/zstdlib": "^0.4.1",
     "babel-eslint": "^10.1.0",
     "babel-jest": "^26.6.0",
diff --git a/yarn.lock b/yarn.lock
index 9e8c039..039faca 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2302,10 +2302,10 @@
   dependencies:
     "@types/istanbul-lib-report" "*"
 
-"@types/jest@^26.0.14":
-  version "26.0.23"
-  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-26.0.23.tgz#a1b7eab3c503b80451d019efb588ec63522ee4e7"
-  integrity sha512-ZHLmWMJ9jJ9PTiT58juykZpL7KjwJywFN3Rr2pTSkyQfydf/rk22yS7W8p5DaVUMQ2BQC7oYiU3FjbTM/mYrOA==
+"@types/jest@^27.0.0":
+  version "27.0.0"
+  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-27.0.0.tgz#f1c28f741371739c7cd0e8edb5ed8e67acfa6c35"
+  integrity sha512-IlpQZVpxufe+3qPaAqEoSPHVSxnJh1cf0BqqWHJeKiAUbwnHdmNzjP3ZCWSZSTbmAGXQPNk9QmM3Bif0pR54rg==
   dependencies:
     jest-diff "^26.0.0"
     pretty-format "^26.0.0"