diff --git a/standalone/scripts/dogfood.sh b/standalone/scripts/dogfood.sh
index 7ada9c75..825db04b 100755
--- a/standalone/scripts/dogfood.sh
+++ b/standalone/scripts/dogfood.sh
@@ -81,8 +81,20 @@ if [[ "${1:-}" != "--no-install" ]]; then
         echo "After that, 'dogfood:standalone' will work from then on."
         exit 1
       fi
+      if pgrep -x dormouse >/dev/null 2>&1; then
+        osascript -e 'tell application id "sh.dormouse.standalone" to quit' \
+          >/dev/null 2>&1 || true
+        for _ in {1..50}; do
+          pgrep -x dormouse >/dev/null 2>&1 || break
+          sleep 0.1
+        done
+        pkill -x dormouse >/dev/null 2>&1 || true
+      fi
       rm -rf "$INSTALL_DIR"
       cp -r "$RELEASE_DIR/bundle/macos/Dormouse Terminal.app" "$INSTALL_DIR"
+      touch "$INSTALL_DIR"
+      /System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister \
+        -f "$INSTALL_DIR" >/dev/null 2>&1 || true
       echo "✦ Installed to $INSTALL_DIR"
       ;;
     *)
diff --git a/standalone/src-tauri/Cargo.lock b/standalone/src-tauri/Cargo.lock
index 785d9499..2ef33fda 100644
--- a/standalone/src-tauri/Cargo.lock
+++ b/standalone/src-tauri/Cargo.lock
@@ -662,6 +662,9 @@ name = "dormouse"
 version = "0.11.0"
 dependencies = [
  "base64 0.22.1",
+ "objc2",
+ "objc2-app-kit",
+ "objc2-foundation",
  "process-wrap",
  "serde",
  "serde_json",
diff --git a/standalone/src-tauri/Cargo.toml b/standalone/src-tauri/Cargo.toml
index 6474f5ec..70905c75 100644
--- a/standalone/src-tauri/Cargo.toml
+++ b/standalone/src-tauri/Cargo.toml
@@ -26,6 +26,11 @@ process-wrap = { version = "9", features = ["std"] }
 [target.'cfg(windows)'.dependencies]
 windows = { version = "0.62", features = ["Win32_System_Threading"] }
 
+[target.'cfg(target_os = "macos")'.dependencies]
+objc2 = "0.6"
+objc2-app-kit = { version = "0.3", default-features = false, features = ["NSApplication", "NSImage"] }
+objc2-foundation = { version = "0.3", default-features = false, features = ["NSData"] }
+
 [profile.release]
 strip = true
 lto = true
diff --git a/standalone/src-tauri/icons/dock-icon.png b/standalone/src-tauri/icons/dock-icon.png
new file mode 100644
index 00000000..84c94455
Binary files /dev/null and b/standalone/src-tauri/icons/dock-icon.png differ
diff --git a/standalone/src-tauri/src/lib.rs b/standalone/src-tauri/src/lib.rs
index 21740530..0da077e6 100644
--- a/standalone/src-tauri/src/lib.rs
+++ b/standalone/src-tauri/src/lib.rs
@@ -115,6 +115,27 @@ fn append_log(message: impl AsRef<str>) {
     }
 }
 
+#[cfg(target_os = "macos")]
+fn set_macos_dock_icon() {
+    use objc2::{AllocAnyThread, MainThreadMarker};
+    use objc2_app_kit::{NSApplication, NSImage};
+    use objc2_foundation::NSData;
+
+    let mtm = unsafe { MainThreadMarker::new_unchecked() };
+    let app = NSApplication::sharedApplication(mtm);
+    // The largest size exploded from icon.icns (1024×1024) — it carries the
+    // built-in transparent padding the bundle's edge-to-edge 128x128@2x.png lacks.
+    let data = NSData::with_bytes(include_bytes!("../icons/dock-icon.png"));
+    let Some(app_icon) = NSImage::initWithData(NSImage::alloc(), &data) else {
+        append_log("[app] failed to create macOS dock icon image");
+        return;
+    };
+
+    unsafe {
+        app.setApplicationIconImage(Some(&app_icon));
+    }
+}
+
 fn read_log_tail(max_bytes: usize) -> Result<String, String> {
     let path = log_path();
     let contents = std::fs::read_to_string(path)
@@ -991,13 +1012,16 @@ pub fn run() {
         ])
         .build(tauri::generate_context!())
         .expect("error while building Dormouse")
-        .run(|app, event| {
-            if let RunEvent::Exit = event {
+        .run(|app, event| match event {
+            #[cfg(target_os = "macos")]
+            RunEvent::Ready => set_macos_dock_icon(),
+            RunEvent::Exit => {
                 if let Some(state) = app.try_state::<SidecarState>() {
                     append_log("[app] exit — shutting down sidecar");
                     shutdown_sidecar_and_wait(&state);
                 }
             }
+            _ => {}
         });
 }