diff --git a/package.json b/package.json
index 3a38f96..cf89e63 100644
--- a/package.json
+++ b/package.json
@@ -27,11 +27,11 @@
     "tslib": "^1.10.0"
   },
   "devDependencies": {
-    "@types/chai": "^4.1.7",
-    "@types/dirty-chai": "^2.0.0",
+    "@types/chai": "^4.2.3",
+    "@types/dirty-chai": "^2.0.2",
     "@types/mocha": "^5.2.7",
-    "@types/node": "^12.6.2",
-    "@types/readline-transform": "^0.9.1",
+    "@types/node": "^12.7.11",
+    "@types/readline-transform": "^0.9.2",
     "chai": "^4.2.0",
     "changelog-parser": "^2.8.0",
     "coveralls": "^3.0.5",