diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5d8cd672..4b2886f5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -46,6 +46,7 @@ jobs:
         run: conda install -c conda-forge openbabel
 
       - name: Install dependencies
+        run: uv pip install numpy==1.26.4
         run: uv pip install -e '.[dev]' --system
 
       - name: pytest