diff --git a/guides/test-runner/typescript/package-lock.json b/guides/test-runner/typescript/package-lock.json
index 9c4875666..d1cba284a 100644
--- a/guides/test-runner/typescript/package-lock.json
+++ b/guides/test-runner/typescript/package-lock.json
@@ -335,9 +335,9 @@
       "dev": true
     },
     "@types/mocha": {
-      "version": "10.0.1",
-      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-10.0.1.tgz",
-      "integrity": "sha512-/fvYntiO1GeICvqbQ3doGDIP97vWmvFt83GKguJ6prmQM2iXZfFcq6YE8KteFyRtX2/h5Hf91BYvPodJKFYv5Q==",
+      "version": "10.0.6",
+      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-10.0.6.tgz",
+      "integrity": "sha512-dJvrYWxP/UcXm36Qn36fxhUKu8A/xMRXVT2cliFF1Z7UA9liG5Psj3ezNSZw+5puH2czDXRLcXQxf8JbJt0ejg==",
       "dev": true
     },
     "@types/node": {
diff --git a/guides/test-runner/typescript/package.json b/guides/test-runner/typescript/package.json
index 9adfbe450..7233f06d4 100644
--- a/guides/test-runner/typescript/package.json
+++ b/guides/test-runner/typescript/package.json
@@ -11,7 +11,7 @@
   },
   "devDependencies": {
     "@esm-bundle/chai": "4.3.4",
-    "@types/mocha": "10.0.1",
+    "@types/mocha": "10.0.6",
     "@web/test-runner": "0.16.0",
     "typescript": "5.0.4"
   }
diff --git a/snowpack-lit/package-lock.json b/snowpack-lit/package-lock.json
index c54ae957c..c9ba9055c 100644
--- a/snowpack-lit/package-lock.json
+++ b/snowpack-lit/package-lock.json
@@ -2239,9 +2239,9 @@
       "dev": true
     },
     "@types/mocha": {
-      "version": "10.0.1",
-      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-10.0.1.tgz",
-      "integrity": "sha512-/fvYntiO1GeICvqbQ3doGDIP97vWmvFt83GKguJ6prmQM2iXZfFcq6YE8KteFyRtX2/h5Hf91BYvPodJKFYv5Q==",
+      "version": "10.0.6",
+      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-10.0.6.tgz",
+      "integrity": "sha512-dJvrYWxP/UcXm36Qn36fxhUKu8A/xMRXVT2cliFF1Z7UA9liG5Psj3ezNSZw+5puH2czDXRLcXQxf8JbJt0ejg==",
       "dev": true
     },
     "@types/node": {
diff --git a/snowpack-lit/package.json b/snowpack-lit/package.json
index 67e819d1d..387f24c87 100644
--- a/snowpack-lit/package.json
+++ b/snowpack-lit/package.json
@@ -20,7 +20,7 @@
     "@snowpack/plugin-dotenv": "2.2.0",
     "@snowpack/plugin-typescript": "1.2.1",
     "@snowpack/web-test-runner-plugin": "0.2.2",
-    "@types/mocha": "10.0.1",
+    "@types/mocha": "10.0.6",
     "@types/snowpack-env": "2.3.4",
     "@web/test-runner": "0.16.0",
     "prettier": "2.8.8",