diff --git a/search-custom-renderer/package.json b/search-custom-renderer/package.json
index bd8ae0847..db089938f 100644
--- a/search-custom-renderer/package.json
+++ b/search-custom-renderer/package.json
@@ -37,7 +37,7 @@
         "@microsoft/sp-tslint-rules": "1.12.1",
         "@microsoft/sp-webpart-workbench": "1.12.1",
         "@types/chai": "4.3.20",
-        "@types/mocha": "9.0.0",
+        "@types/mocha": "10.0.10",
         "ajv": "8.6.2",
         "gulp": "4.0.2"
     }
diff --git a/search-extensibility-library/package.json b/search-extensibility-library/package.json
index b60a512da..a42b93e1a 100644
--- a/search-extensibility-library/package.json
+++ b/search-extensibility-library/package.json
@@ -40,7 +40,7 @@
     "tslib": "2.3.1",
     "gulp": "4.0.2",
     "@types/chai": "4.3.20",
-    "@types/mocha": "9.0.0",
+    "@types/mocha": "10.0.10",
     "ajv": "8.6.2"
   }
 }
diff --git a/search-parts/package.json b/search-parts/package.json
index 8b256839f..f7af0616c 100644
--- a/search-parts/package.json
+++ b/search-parts/package.json
@@ -65,7 +65,7 @@
         "@types/chai": "4.3.20",
         "@types/es6-promise": "0.0.33",
         "@types/fabric": "4.5.2",
-        "@types/mocha": "9.0.0",
+        "@types/mocha": "10.0.10",
         "@types/node": "16.6.1",
         "@types/react": "17.0.18",
         "@types/react-dom": "17.0.9",