diff --git a/package.json b/package.json
index 070bc09..4d44b46 100644
--- a/package.json
+++ b/package.json
@@ -26,11 +26,11 @@
     },
     "devDependencies": {
         "chai": "^4.2.0",
-        "coveralls": "^3.0.4",
-        "eslint": "^6.0.1",
+        "coveralls": "^3.0.7",
+        "eslint": "^6.5.1",
         "eslint-config-holidaycheck": "^0.13.1",
-        "eslint-plugin-node": "^9.1.0",
-        "mocha": "^6.1.4",
+        "eslint-plugin-node": "^10.0.0",
+        "mocha": "^6.2.2",
         "nyc": "^14.1.1",
         "pr-log": "^3.1.0"
     },