diff --git a/frontend/src/content/changelog.ts b/frontend/src/content/changelog.ts
index bcec950..da4161a 100644
--- a/frontend/src/content/changelog.ts
+++ b/frontend/src/content/changelog.ts
@@ -20,6 +20,18 @@ export interface ChangelogEntry {
  * runtime version (see lib/whats-new.ts `normalizeVersion`).
  */
 export const CHANGELOG: ChangelogEntry[] = [
+  {
+    version: "1.0.1",
+    date: "2026-07-09",
+    items: [
+      {
+        type: "fix",
+        title: "Clearer errors when a consumer-group name isn't allowed",
+        description:
+          "If the cluster's ACLs don't permit a group name, kafkito now says so directly instead of a generic gateway error, and shows the allowed group prefixes when your key can read ACLs.",
+      },
+    ],
+  },
   {
     version: "1.0.0",
     date: "2026-07-09",