diff --git a/codex-rs/tui/src/history_cell/notices.rs b/codex-rs/tui/src/history_cell/notices.rs
index 3344dc45c..7fb994442 100644
--- a/codex-rs/tui/src/history_cell/notices.rs
+++ b/codex-rs/tui/src/history_cell/notices.rs
@@ -52,7 +52,8 @@ impl HistoryCell for UpdateAvailableHistoryCell {
             .width()
             .min(usize::from(width.saturating_sub(4)))
             .max(1);
-        with_border_with_inner_width(content.lines, inner_width)
+        let lines = adaptive_wrap_lines(content.lines, RtOptions::new(inner_width));
+        with_border_with_inner_width(lines, inner_width)
     }
 
     fn raw_lines(&self) -> Vec<Line<'static>> {
diff --git a/codex-rs/tui/src/history_cell/snapshots/codex_tui__history_cell__tests__standalone_unix_update_available_history_cell_snapshot.snap b/codex-rs/tui/src/history_cell/snapshots/codex_tui__history_cell__tests__standalone_unix_update_available_history_cell_snapshot.snap
new file mode 100644
index 000000000..c8f352dbb
--- /dev/null
+++ b/codex-rs/tui/src/history_cell/snapshots/codex_tui__history_cell__tests__standalone_unix_update_available_history_cell_snapshot.snap
@@ -0,0 +1,11 @@
+---
+source: tui/src/history_cell/tests.rs
+expression: rendered
+---
+╭─────────────────────────────────────────────────────────────────────────────────────────────────────╮
+│ ✨ Update available! 0.0.0 -> 9.9.9                                                                 │
+│ Run sh -c 'curl -fsSL https://chatgpt.com/codex/install.sh | CODEX_NON_INTERACTIVE=1 sh' to update. │
+│                                                                                                     │
+│ See full release notes:                                                                             │
+│ https://github.com/openai/codex/releases/latest                                                     │
+╰─────────────────────────────────────────────────────────────────────────────────────────────────────╯
diff --git a/codex-rs/tui/src/history_cell/snapshots/codex_tui__history_cell__tests__standalone_windows_update_available_history_cell_snapshot.snap b/codex-rs/tui/src/history_cell/snapshots/codex_tui__history_cell__tests__standalone_windows_update_available_history_cell_snapshot.snap
new file mode 100644
index 000000000..fb15a0577
--- /dev/null
+++ b/codex-rs/tui/src/history_cell/snapshots/codex_tui__history_cell__tests__standalone_windows_update_available_history_cell_snapshot.snap
@@ -0,0 +1,12 @@
+---
+source: tui/src/history_cell/tests.rs
+expression: rendered
+---
+╭────────────────────────────────────────────────────────────────────────────────────────────────────────────╮
+│ ✨ Update available! 0.0.0 -> 9.9.9                                                                        │
+│ Run powershell -ExecutionPolicy Bypass -c '$env:CODEX_NON_INTERACTIVE=1; irm                               │
+│ https://chatgpt.com/codex/install.ps1 | iex' to update.                                                    │
+│                                                                                                            │
+│ See full release notes:                                                                                    │
+│ https://github.com/openai/codex/releases/latest                                                            │
+╰────────────────────────────────────────────────────────────────────────────────────────────────────────────╯
diff --git a/codex-rs/tui/src/history_cell/tests.rs b/codex-rs/tui/src/history_cell/tests.rs
index 7f846d39f..8c48ced86 100644
--- a/codex-rs/tui/src/history_cell/tests.rs
+++ b/codex-rs/tui/src/history_cell/tests.rs
@@ -1027,6 +1027,24 @@ fn web_search_history_cell_snapshot() {
     insta::assert_snapshot!(rendered);
 }
 
+#[test]
+fn standalone_unix_update_available_history_cell_snapshot() {
+    let cell =
+        UpdateAvailableHistoryCell::new("9.9.9".to_string(), Some(UpdateAction::StandaloneUnix));
+    let rendered = render_lines(&cell.display_lines(/*width*/ 110)).join("\n");
+
+    insta::assert_snapshot!(rendered);
+}
+
+#[test]
+fn standalone_windows_update_available_history_cell_snapshot() {
+    let cell =
+        UpdateAvailableHistoryCell::new("9.9.9".to_string(), Some(UpdateAction::StandaloneWindows));
+    let rendered = render_lines(&cell.display_lines(/*width*/ 110)).join("\n");
+
+    insta::assert_snapshot!(rendered);
+}
+
 #[test]
 fn web_search_history_cell_wraps_with_indented_continuation() {
     let query = "example search query with several generic words to exercise wrapping".to_string();
diff --git a/codex-rs/tui/src/update_action.rs b/codex-rs/tui/src/update_action.rs
index 0dbb14539..420562f13 100644
--- a/codex-rs/tui/src/update_action.rs
+++ b/codex-rs/tui/src/update_action.rs
@@ -14,9 +14,9 @@ pub enum UpdateAction {
     BunGlobalLatest,
     /// Update via `brew upgrade codex`.
     BrewUpgrade,
-    /// Update via `curl -fsSL https://chatgpt.com/codex/install.sh | sh`.
+    /// Update via `curl -fsSL https://chatgpt.com/codex/install.sh | CODEX_NON_INTERACTIVE=1 sh`.
     StandaloneUnix,
-    /// Update via `irm https://chatgpt.com/codex/install.ps1|iex`.
+    /// Update via `$env:CODEX_NON_INTERACTIVE=1; irm https://chatgpt.com/codex/install.ps1 | iex`.
     StandaloneWindows,
 }
 
@@ -43,7 +43,10 @@ impl UpdateAction {
             UpdateAction::BrewUpgrade => ("brew", &["upgrade", "--cask", "codex"]),
             UpdateAction::StandaloneUnix => (
                 "sh",
-                &["-c", "curl -fsSL https://chatgpt.com/codex/install.sh | sh"],
+                &[
+                    "-c",
+                    "curl -fsSL https://chatgpt.com/codex/install.sh | CODEX_NON_INTERACTIVE=1 sh",
+                ],
             ),
             UpdateAction::StandaloneWindows => (
                 "powershell",
@@ -51,7 +54,7 @@ impl UpdateAction {
                     "-ExecutionPolicy",
                     "Bypass",
                     "-c",
-                    "irm https://chatgpt.com/codex/install.ps1 | iex",
+                    "$env:CODEX_NON_INTERACTIVE=1; irm https://chatgpt.com/codex/install.ps1 | iex",
                 ],
             ),
         }
@@ -140,7 +143,10 @@ mod tests {
             UpdateAction::StandaloneUnix.command_args(),
             (
                 "sh",
-                &["-c", "curl -fsSL https://chatgpt.com/codex/install.sh | sh"][..],
+                &[
+                    "-c",
+                    "curl -fsSL https://chatgpt.com/codex/install.sh | CODEX_NON_INTERACTIVE=1 sh"
+                ][..],
             )
         );
         assert_eq!(
@@ -151,7 +157,7 @@ mod tests {
                     "-ExecutionPolicy",
                     "Bypass",
                     "-c",
-                    "irm https://chatgpt.com/codex/install.ps1 | iex"
+                    "$env:CODEX_NON_INTERACTIVE=1; irm https://chatgpt.com/codex/install.ps1 | iex"
                 ][..],
             )
         );