diff --git a/.github/workflows/python-build-test.yml b/.github/workflows/python-build-test.yml
index be832256..4d8232b2 100644
--- a/.github/workflows/python-build-test.yml
+++ b/.github/workflows/python-build-test.yml
@@ -31,7 +31,7 @@ jobs:
         python -m pip install -U pytest
         python -m pip install --upgrade pip setuptools wheel
         sudo apt-get install gfortran
-        python -m pip install numpy
+        python -m pip install numpy==1.22.3
         python -m pip install scipy
         python -m pip install xarray
         python setup.py develop