diff --git a/README.md b/README.md
index 78c1a5c7..748c017d 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ This branch contains the prerelease of D3 4.0. This API is unstable and may chan
 If you use NPM, `npm install d3@next`. Otherwise, download the [latest release](https://github.com/mbostock/d3/releases/latest). The released bundle supports AMD, CommonJS, and vanilla environments. Create a custom build using [Rollup](https://github.com/rollup/rollup) or your preferred bundler. You can also load directly from [d3js.org](https://d3js.org):
 
 ```html
-<script src="https://d3js.org/d3.v4.0.0-alpha.24.min.js"></script>
+<script src="https://d3js.org/d3.v4.0.0-alpha.25.min.js"></script>
 ```
 
 ## API Reference
diff --git a/package.json b/package.json
index f728fe4e..7a4f54bb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "d3",
-  "version": "4.0.0-alpha.24",
+  "version": "4.0.0-alpha.25",
   "publishConfig": {
     "tag": "next"
   },
@@ -60,7 +60,7 @@
     "d3-time": "0.2.5",
     "d3-time-format": "0.3.1",
     "d3-timer": "0.4.1",
-    "d3-transition": "0.2.5",
+    "d3-transition": "0.2.6",
     "d3-voronoi": "0.3.2"
   }
 }