diff --git a/packages/viz/CHANGELOG.md b/packages/viz/CHANGELOG.md
index c642c7ca..9a734031 100644
--- a/packages/viz/CHANGELOG.md
+++ b/packages/viz/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## 3.8.0
 
 * Update Graphviz to 12.1.0.
 * Update Emscripten SDK to 3.1.64.
diff --git a/packages/viz/package.json b/packages/viz/package.json
index e5b4b7eb..e32ce416 100644
--- a/packages/viz/package.json
+++ b/packages/viz/package.json
@@ -5,7 +5,7 @@
     "graphviz",
     "emscripten"
   ],
-  "version": "3.7.0-dev",
+  "version": "3.8.0",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/mdaines/viz-js.git",