diff --git a/package.json b/package.json
index 61eb165..c8fdf68 100644
--- a/package.json
+++ b/package.json
@@ -14,9 +14,9 @@
     "prepublishOnly": "prepv -i || true"
   },
   "devDependencies": {
-    "coffeescript": "^2.3.0",
-    "testpass": "^0.9.3",
-    "wch-coffee": "^0.2.0"
+    "coffeescript": "2.5.1",
+    "testpass": "0.9.5",
+    "wch-coffee": "0.2.0"
   },
   "keywords": [
     "path",
diff --git a/renovate.json b/renovate.json
new file mode 100644
index 0000000..f45d8f1
--- /dev/null
+++ b/renovate.json
@@ -0,0 +1,5 @@
+{
+  "extends": [
+    "config:base"
+  ]
+}