diff --git a/package.json b/package.json
index 1d31e24d..ffae627c 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
     "@sourcegraph/eslint-config": "^0.23.0",
     "@sourcegraph/prettierrc": "^3.0.3",
     "@sourcegraph/tsconfig": "^4.0.1",
-    "@types/mocha": "9.1.1",
+    "@types/mocha": "10.0.10",
     "eslint": "^7.32.0",
     "husky": "^3.0.2",
     "mocha": "^9.2.2",
diff --git a/yarn.lock b/yarn.lock
index 25d5737b..342a70fa 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -815,10 +815,10 @@
   resolved "https://registry.yarnpkg.com/@types/minimist/-/minimist-1.2.1.tgz#283f669ff76d7b8260df8ab7a4262cc83d988256"
   integrity sha512-fZQQafSREFyuZcdWFAExYjBiCL7AUCdgsk80iO0q4yihYYdcIiH28CcuPTGFgLOCC8RlW49GSQxdHwZP+I7CNg==
 
-"@types/mocha@9.1.1":
-  version "9.1.1"
-  resolved "https://registry.yarnpkg.com/@types/mocha/-/mocha-9.1.1.tgz#e7c4f1001eefa4b8afbd1eee27a237fee3bf29c4"
-  integrity sha512-Z61JK7DKDtdKTWwLeElSEBcWGRLY8g95ic5FoQqI9CMx0ns/Ghep3B4DfcEimiKMvtamNVULVNKEsiwV3aQmXw==
+"@types/mocha@10.0.10":
+  version "10.0.10"
+  resolved "https://registry.yarnpkg.com/@types/mocha/-/mocha-10.0.10.tgz#91f62905e8d23cbd66225312f239454a23bebfa0"
+  integrity sha512-xPyYSz1cMPnJQhl0CLMH68j3gprKZaTjG3s5Vi+fDgx+uhG9NOXwbVt52eFS8ECyXhyKcjDLCBEqBExKuiZb7Q==
 
 "@types/node@*", "@types/node@>= 8":
   version "14.18.33"