diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1dddc6c..a79f064 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,5 @@
+* Update version dependencies for D3 and TopoJSON
+
 v1.0.1 (2013/01/02)
 -------------------
 
diff --git a/package.json b/package.json
index 8f7fe29..551e1b7 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "gulp-replace": "~0.2.0"
   },
   "dependencies": {
-    "topojson": "~1.4.5",
-    "d3": "~3.3.13"
+    "topojson": ">=1.4.6",
+    "d3": ">=3.3.13"
   }
 }