diff --git a/package.json b/package.json
index e52ecac..0877973 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "prepublish": "npm run test && uglifyjs build/d3-interpolate.js -c -m -o build/d3-interpolate.min.js && rm -f build/d3-interpolate.zip && zip -j build/d3-interpolate.zip -- LICENSE README.md build/d3-interpolate.js build/d3-interpolate.min.js"
   },
   "dependencies": {
-    "d3-color": "~0.3.0"
+    "d3-color": "~0.3.1"
   },
   "devDependencies": {
     "faucet": "0.0",