diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8a941089..f4f517c9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.9.4
+
+ * Fix the two highest bits in undefined TIA reads
+
 # 0.9.3
 
  * Stellerator embedded: fix gamepad input
diff --git a/package.json b/package.json
index 3dd9814a..80139bc6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "6502.ts",
-  "version": "0.9.3",
+  "version": "0.9.4",
   "description": "A 6502 emulator written in typescript",
   "author": "cnspeckn@googlemail.com",
   "license": "GPL-2.0+",