diff --git a/.github/workflows/buildwheel.yml b/.github/workflows/buildwheel.yml
index f8b4dd13..d6221c2c 100644
--- a/.github/workflows/buildwheel.yml
+++ b/.github/workflows/buildwheel.yml
@@ -43,7 +43,7 @@ jobs:
           CIBW_BEFORE_ALL_MACOS: bin/cibw_before_all_macosx.sh
           CIBW_BEFORE_ALL_WINDOWS: msys2 -c bin/cibw_before_all_windows.sh
           CIBW_BEFORE_BUILD_WINDOWS: msys2 -c bin/cibw_before_build_windows.sh
-          CIBW_BEFORE_BUILD: pip install numpy cython delvewheel
+          CIBW_BEFORE_BUILD: pip install numpy cython==3.0.0a11 delvewheel
           CIBW_ENVIRONMENT: >
             C_INCLUDE_PATH=$(pwd)/.local/include/
             LIBRARY_PATH=$(pwd)/.local/lib/