diff --git a/.changeset/calm-geckos-glow.md b/.changeset/calm-geckos-glow.md
new file mode 100644
index 0000000..ce0189a
--- /dev/null
+++ b/.changeset/calm-geckos-glow.md
@@ -0,0 +1,4 @@
+## '@openai/chatkit': minor
+
+Add the `share` and `bug` icons to the `HeaderIcon` union so
+ChatKit consumers can type header actions that use those glyphs.
diff --git a/packages/chatkit/types/index.d.ts b/packages/chatkit/types/index.d.ts
index 0b56e3e..5d11bdd 100644
--- a/packages/chatkit/types/index.d.ts
+++ b/packages/chatkit/types/index.d.ts
@@ -478,6 +478,7 @@ export type HeaderIcon =
   | 'collapse-small'
   | 'star'
   | 'star-filled'
+  | 'bug'
   | 'chat-temporary'
   | 'settings-cog'
   | 'grid'
@@ -491,6 +492,7 @@ export type HeaderIcon =
   | 'history'
   | 'book-open'
   | 'compose'
+  | 'share'
   | 'light-mode'
   | 'dark-mode'
   | 'close';