diff --git a/package.json b/package.json
index fe0a8a3..fa398bd 100644
--- a/package.json
+++ b/package.json
@@ -73,15 +73,15 @@
     "node": ">=12.0.0"
   },
   "devDependencies": {
-    "@types/chai": "^4.3.9",
-    "@types/chai-string": "^1.4.4",
-    "@types/mocha": "^10.0.3",
+    "@types/chai": "^4.3.12",
+    "@types/chai-string": "^1.4.5",
+    "@types/mocha": "^10.0.6",
     "@types/node": "^18.18.6",
     "@types/verror": "^1.10.8",
     "@voxpelli/eslint-config": "^19.0.0",
     "@voxpelli/tsconfig": "^9.0.0",
     "c8": "^8.0.1",
-    "chai": "^4.3.10",
+    "chai": "^4.4.1",
     "chai-string": "^1.5.0",
     "eslint": "^8.51.0",
     "eslint-plugin-es-x": "^7.2.0",
@@ -97,8 +97,8 @@
     "installed-check": "^8.0.0",
     "knip": "^2.35.0",
     "linemod": "^1.1.0",
-    "mocha": "^10.2.0",
-    "npm-run-all2": "^6.1.1",
+    "mocha": "^10.3.0",
+    "npm-run-all2": "^6.1.2",
     "type-coverage": "^2.27.0",
     "typescript": "~5.2.2",
     "verror": "^1.10.1"