diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index d36bf517..18baf6cc 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -134,6 +134,8 @@ jobs:
           - python-version: ${{ github.event_name == 'pull_request' && '3.10' }}
           - python-version: ${{ github.event_name == 'pull_request' && '3.11' }}
           - python-version: ${{ github.event_name == 'pull_request' && '3.12' }}
+          # Skip Windows x86 builds on PRs
+          - architecture: ${{ github.event_name == 'pull_request' && 'x86' }}
           # Only build windows-11-arm on pushes
           - os: ${{ github.event_name != 'push' && 'windows-11-arm' }}
           # Python interpreter < 3.11 doesn't exist for Windows 11 ARM