diff --git a/lang/js/package-lock.json b/lang/js/package-lock.json
new file mode 100644
index 0000000..9f5a5ed
--- /dev/null
+++ b/lang/js/package-lock.json
@@ -0,0 +1,1770 @@
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diff --git a/lang/js/package.json b/lang/js/package.json
index e63781a..24ad897 100644
--- a/lang/js/package.json
+++ b/lang/js/package.json
@@ -43,10 +43,10 @@
     "underscore": "*"
   },
   "devDependencies": {
-    "coveralls": "^2.11.4",
+    "coveralls": "^3.0.7",
     "istanbul": "^0.3.19",
     "jshint": "^2.10.2",
-    "mocha": "^2.3.2",
+    "mocha": "^6.2.2",
     "tmp": "^0.0.28"
   },
   "noAnalyze": true,