diff --git a/package.json b/package.json
index ba7bd2e7..eae0f9e1 100644
--- a/package.json
+++ b/package.json
@@ -42,13 +42,13 @@
     "yargs": "~5.0.0"
   },
   "devDependencies": {
-    "istanbul": "~0.4.2",
-    "shapefile": "0.3.0",
-    "mocha": "~1.21.4",
+    "istanbul": "0.4.5",
     "jshint": "~2.6.0",
-    "zipfile": "0.5.9",
-    "libxmljs": "~0.8.1",
-    "sqlite3": "~3.0.8"
+    "libxmljs": "0.18.0",
+    "mocha": "3.2.0",
+    "shapefile": "0.3.0",
+    "sqlite3": "3.1.8",
+    "zipfile": "0.5.11"
   },
   "scripts": {
     "test": "make test-all",