diff --git a/packages/viz/CHANGELOG.md b/packages/viz/CHANGELOG.md
index 03d10af..af8bdb2 100644
--- a/packages/viz/CHANGELOG.md
+++ b/packages/viz/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## 3.10.0
 
 * Add renderFormats() method.
 
diff --git a/packages/viz/package.json b/packages/viz/package.json
index 9f51b58..fe1d34e 100644
--- a/packages/viz/package.json
+++ b/packages/viz/package.json
@@ -5,7 +5,7 @@
     "graphviz",
     "emscripten"
   ],
-  "version": "3.9.0-dev",
+  "version": "3.10.0",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/mdaines/viz-js.git",