diff --git a/package-lock.json b/package-lock.json
index 70891bd..bcfcb93 100644
--- a/package-lock.json
+++ b/package-lock.json
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diff --git a/package.json b/package.json
index 31dfefb..c45a29d 100644
--- a/package.json
+++ b/package.json
@@ -23,9 +23,9 @@
   },
   "homepage": "https://github.com/JHotterbeekx/word-search-solver#readme",
   "devDependencies": {
-    "chai": "4.1.2",
-    "coveralls": "3.0.2",
+    "chai": "4.2.0",
+    "coveralls": "3.0.9",
     "istanbul": "0.4.5",
-    "mocha": "6.0.0"
+    "mocha": "7.1.0"
   }
 }