diff --git a/.github/workflows/testing-cron.yml b/.github/workflows/testing-cron.yml
index 759c633..7210fcb 100644
--- a/.github/workflows/testing-cron.yml
+++ b/.github/workflows/testing-cron.yml
@@ -32,6 +32,7 @@ jobs:
         pip install torch==2.3.1 --index-url https://download.pytorch.org/whl/cpu
         pip install torch_geometric
         pip install torch_scatter torch_sparse torch_cluster torch_spline_conv -f https://data.pyg.org/whl/torch-2.3.0+cpu.html
+        pip install scikit-learn
         pip install pytest
         pip install coverage
         pip install coveralls
diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 51852a2..bfb7b42 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -37,6 +37,7 @@ jobs:
         pip install torch==2.3.0 --index-url https://download.pytorch.org/whl/cpu
         pip install torch_geometric
         pip install torch_scatter torch_sparse torch_cluster torch_spline_conv -f https://data.pyg.org/whl/torch-2.3.0+cpu.html
+        pip install scikit-learn
         pip install pytest
         pip install coverage
         pip install coveralls