diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e6e56eb1..00c8c110 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,13 @@ jobs:
       - uses: dtolnay/rust-toolchain@stable
       - name: Install Linux system dependencies
         if: runner.os == 'Linux'
-        run: sudo apt-get update && sudo apt-get install -y libdbus-1-dev pkg-config
+        run: |
+          for i in 1 2 3 4 5; do
+            sudo apt-get update && break
+            echo "apt-get update failed (attempt $i); retrying in 15s"
+            sleep 15
+          done
+          sudo apt-get install -y libdbus-1-dev pkg-config
       - uses: actions/setup-node@v4
         with:
           node-version: 20
@@ -38,7 +44,13 @@ jobs:
           components: clippy, rustfmt
       - name: Install Linux system dependencies
         if: runner.os == 'Linux'
-        run: sudo apt-get update && sudo apt-get install -y libdbus-1-dev pkg-config
+        run: |
+          for i in 1 2 3 4 5; do
+            sudo apt-get update && break
+            echo "apt-get update failed (attempt $i); retrying in 15s"
+            sleep 15
+          done
+          sudo apt-get install -y libdbus-1-dev pkg-config
       - uses: Swatinem/rust-cache@v2
       - name: Check formatting
         run: cargo fmt --all -- --check
@@ -60,7 +72,13 @@ jobs:
       - uses: dtolnay/rust-toolchain@stable
       - name: Install Linux system dependencies
         if: runner.os == 'Linux'
-        run: sudo apt-get update && sudo apt-get install -y libdbus-1-dev pkg-config
+        run: |
+          for i in 1 2 3 4 5; do
+            sudo apt-get update && break
+            echo "apt-get update failed (attempt $i); retrying in 15s"
+            sleep 15
+          done
+          sudo apt-get install -y libdbus-1-dev pkg-config
       - uses: Swatinem/rust-cache@v2
       - name: Run tests
         run: cargo test --workspace --all-features --locked
@@ -81,7 +99,13 @@ jobs:
       - uses: dtolnay/rust-toolchain@stable
       - name: Install Linux system dependencies
         if: runner.os == 'Linux'
-        run: sudo apt-get update && sudo apt-get install -y libdbus-1-dev pkg-config
+        run: |
+          for i in 1 2 3 4 5; do
+            sudo apt-get update && break
+            echo "apt-get update failed (attempt $i); retrying in 15s"
+            sleep 15
+          done
+          sudo apt-get install -y libdbus-1-dev pkg-config
       - uses: actions/setup-node@v4
         with:
           node-version: 20
@@ -101,7 +125,13 @@ jobs:
       - uses: dtolnay/rust-toolchain@stable
       - name: Install Linux system dependencies
         if: runner.os == 'Linux'
-        run: sudo apt-get update && sudo apt-get install -y libdbus-1-dev pkg-config
+        run: |
+          for i in 1 2 3 4 5; do
+            sudo apt-get update && break
+            echo "apt-get update failed (attempt $i); retrying in 15s"
+            sleep 15
+          done
+          sudo apt-get install -y libdbus-1-dev pkg-config
       - uses: Swatinem/rust-cache@v2
       - name: Build docs
         run: cargo doc --workspace --no-deps
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 92767366..5612afd3 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -25,7 +25,13 @@ jobs:
           components: clippy, rustfmt
       - name: Install Linux system dependencies
         if: runner.os == 'Linux'
-        run: sudo apt-get update && sudo apt-get install -y libdbus-1-dev pkg-config
+        run: |
+          for i in 1 2 3 4 5; do
+            sudo apt-get update && break
+            echo "apt-get update failed (attempt $i); retrying in 15s"
+            sleep 15
+          done
+          sudo apt-get install -y libdbus-1-dev pkg-config
       - uses: Swatinem/rust-cache@v2
       - name: Format check
         run: cargo fmt --all -- --check
@@ -110,7 +116,13 @@ jobs:
       - uses: Swatinem/rust-cache@v2
       - name: Install Linux system dependencies
         if: runner.os == 'Linux'
-        run: sudo apt-get update && sudo apt-get install -y libdbus-1-dev pkg-config
+        run: |
+          for i in 1 2 3 4 5; do
+            sudo apt-get update && break
+            echo "apt-get update failed (attempt $i); retrying in 15s"
+            sleep 15
+          done
+          sudo apt-get install -y libdbus-1-dev pkg-config
       - name: Install zig
         if: runner.os == 'Linux'
         uses: goto-bus-stop/setup-zig@v2
diff --git a/crates/tui/Cargo.toml b/crates/tui/Cargo.toml
index 6e93ed88..99f93e6f 100644
--- a/crates/tui/Cargo.toml
+++ b/crates/tui/Cargo.toml
@@ -80,4 +80,4 @@ libc = "0.2"
 libc = "0.2"
 
 [target.'cfg(target_os = "windows")'.dependencies]
-windows = { version = "0.60", features = ["Win32_Foundation", "Win32_UI_WindowsAndMessaging"] }
+windows = { version = "0.60", features = ["Win32_Foundation", "Win32_UI_WindowsAndMessaging", "Win32_System_Diagnostics_Debug"] }
diff --git a/crates/tui/src/tui/notifications.rs b/crates/tui/src/tui/notifications.rs
index e6583a16..2d777cb2 100644
--- a/crates/tui/src/tui/notifications.rs
+++ b/crates/tui/src/tui/notifications.rs
@@ -6,7 +6,9 @@
 //! running inside a tmux session.
 
 #[cfg(target_os = "windows")]
-use windows::Win32::UI::WindowsAndMessaging::MessageBeep;
+use windows::Win32::System::Diagnostics::Debug::MessageBeep;
+#[cfg(target_os = "windows")]
+use windows::Win32::UI::WindowsAndMessaging::MESSAGEBOX_STYLE;
 
 use std::io::{self, Write};
 use std::time::Duration;
@@ -52,9 +54,11 @@ impl Method {
 /// API directly to produce the standard notification sound.
 #[cfg(target_os = "windows")]
 fn windows_bell() {
-    // MB_OK = 0x00000000 — plays the default system sound.
+    // MB_OK = 0x00000000 — plays the default system sound. Best-effort: a
+    // failed beep is not worth surfacing to the caller, so the Result is
+    // discarded.
     unsafe {
-        MessageBeep(0x00000000);
+        let _ = MessageBeep(MESSAGEBOX_STYLE(0));
     }
 }