diff --git a/package-lock.json b/package-lock.json
index 08006f0..c000e33 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,6 +32,12 @@
                 }
             }
         },
+        "@types/node": {
+            "version": "10.12.18",
+            "resolved": "https://registry.npmjs.org/@types/node/-/node-10.12.18.tgz",
+            "integrity": "sha512-fh+pAqt4xRzPfqA6eh3Z2y6fyZavRIumvjhaCL753+TVkGKGhpPeyrJG2JftD0T9q4GF00KjefsQ+PQNDdWQaQ==",
+            "dev": true
+        },
         "abab": {
             "version": "2.0.0",
             "resolved": "https://registry.npmjs.org/abab/-/abab-2.0.0.tgz",
diff --git a/package.json b/package.json
index fffe71e..726f637 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,7 @@
     },
     "homepage": "https://github.com/devcorpio/the-art-of-unit-testing#readme",
     "devDependencies": {
+        "@types/node": "^10.12.18",
         "husky": "^1.3.1",
         "jest": "^23.6.0",
         "prettier": "1.15.3",