diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 95805d09..80804be6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,7 +17,13 @@ jobs:
         include:
           - os: macos-14
             platform: mac
-          - os: windows-latest
+          # Pinned, not `windows-latest`: that label has rolled over to Windows
+          # Server 2025, whose image no longer ships the Visual Studio C++
+          # toolchain node-gyp needs. On it, electron-builder's install-app-deps
+          # dies with "Could not find any Visual Studio installation to use"
+          # while rebuilding node-pty, so the Windows build never produces an
+          # artifact. 2022 still carries the toolchain.
+          - os: windows-2022
             platform: win
           # Linux is split per-arch to avoid electron-builder bundling native
           # modules from the wrong architecture. When multiple targets (AppImage