diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index de908da..9e57f73 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -43,7 +43,8 @@ jobs:
         env:
           LC_ALL: "en_US.UTF-8"
         run: |
-          brew install mysql
+          brew install mysql@8.0
+          brew link mysql@8.0 --force
           mysql.server start
           mysql --host=$CP_MYSQL_TEST_HOST --user=$CP_MYSQL_TEST_USER --execute="CREATE DATABASE $CP_MYSQL_TEST_DB;" --skip-password
       - name: Installation
@@ -51,7 +52,7 @@ jobs:
           |
           pip install pyinstaller
           pip install --upgrade pip setuptools wheel
-          pip install numpy>=1.20.1
+          pip install "numpy>=1.20.1,<2" "Cython<3"
           # git clone https://github.com/CellProfiler/CellProfiler.git ~/cellprofiler
           pip install -e .[test]
           # pip install -e ~/cellprofiler