diff --git a/tools/wheels/cibw_test_command.sh b/tools/wheels/cibw_test_command.sh
index 5aeb59b..914c96c 100644
--- a/tools/wheels/cibw_test_command.sh
+++ b/tools/wheels/cibw_test_command.sh
@@ -3,7 +3,8 @@ set -xe
 PROJECT_DIR="$1"
 
 cd $PROJECT_DIR/tests
-python -m unittest -v
+# python -m unittest -v
+#HACK: if the tests are not split up the CI runs out of memory...
 
 python -m unittest -v test_analysis.py  &&python -m unittest -v test_io.py     &&
 python -m unittest -v test_surf_geom.py &&