diff --git a/codex-rs/tui/src/updates.rs b/codex-rs/tui/src/updates.rs
index fe859e15..8b92af4f 100644
--- a/codex-rs/tui/src/updates.rs
+++ b/codex-rs/tui/src/updates.rs
@@ -175,7 +175,7 @@ impl UpdateAction {
         match self {
             UpdateAction::NpmGlobalLatest => ("npm", &["install", "-g", "@openai/codex@latest"]),
             UpdateAction::BunGlobalLatest => ("bun", &["install", "-g", "@openai/codex@latest"]),
-            UpdateAction::BrewUpgrade => ("brew", &["upgrade", "codex"]),
+            UpdateAction::BrewUpgrade => ("brew", &["upgrade", "--cask", "codex"]),
         }
     }