diff --git a/packages/alsatian/package-lock.json b/packages/alsatian/package-lock.json
index 76455711..6f861800 100644
--- a/packages/alsatian/package-lock.json
+++ b/packages/alsatian/package-lock.json
@@ -176,9 +176,9 @@
       "integrity": "sha512-FTgBI767POY/lKNDNbIzgAX6miIDBs6NTCbdlDb8TrWovHsSvaVIZDlTqym29C6UqhzwcJx4CYr+AlrMywA0cA=="
     },
     "@types/deep-diff": {
-      "version": "0.0.31",
-      "resolved": "https://registry.npmjs.org/@types/deep-diff/-/deep-diff-0.0.31.tgz",
-      "integrity": "sha512-9t14b0HjrvzFEhHZ4ffs/HY6U/PjGEPZYEc/sFG/uTZh27YRpeZXyUpTZP5kyPUMb5Orn969puL8KXTwGtLs7w==",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@types/deep-diff/-/deep-diff-1.0.0.tgz",
+      "integrity": "sha512-ENsJcujGbCU/oXhDfQ12mSo/mCBWodT2tpARZKmatoSrf8+cGRCPi0KVj3I0FORhYZfLXkewXu7AoIWqiBLkNw==",
       "dev": true
     },
     "@types/diff": {
diff --git a/packages/alsatian/package.json b/packages/alsatian/package.json
index ef4f6412..ba2ca888 100644
--- a/packages/alsatian/package.json
+++ b/packages/alsatian/package.json
@@ -82,7 +82,7 @@
   },
   "homepage": "https://github.com/alsatian-test/alsatian/tree/master/packages/alsatian#readme",
   "devDependencies": {
-    "@types/deep-diff": "0.0.31",
+    "@types/deep-diff": "1.0.0",
     "@types/diff": "^3.5.1",
     "@types/glob": "^5.0.30",
     "@types/js-yaml": "^3.11.2",