diff --git a/CHANGELOG.md b/CHANGELOG.md
index a6f513f..6a6bb77 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 0.5.4 2023 Nov 14
+
+* close #6: remove kernel switcher button and debugger icon
+* also highlight when kernel is busy
+
 ## 0.5.3 2023 Nov 13
 
 * better hightlight cases when the kernel was lost
diff --git a/package.json b/package.json
index 310fefa..63de8fc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "jupyterlab-nbhosting",
-    "version": "0.5.3",
+    "version": "0.5.4",
     "description": "Custom look and feel for nbhosting notebooks",
     "keywords": [
         "jupyter",