diff --git a/course_UvA-DL/06-graph-neural-networks/requirements.txt b/course_UvA-DL/06-graph-neural-networks/requirements.txt
index 182fa6e4f..cf8e515f9 100644
--- a/course_UvA-DL/06-graph-neural-networks/requirements.txt
+++ b/course_UvA-DL/06-graph-neural-networks/requirements.txt
@@ -6,5 +6,9 @@ torch-cluster ==1.6.*
 torch-spline-conv ==1.2.*
 torch-geometric ==2.1.*
 
+# addressing long package compilation times
+# Building wheels for collected packages: torch-spline-conv, torch-sparse, torch-cluster, torch-scatter, torch-geometric
+--prefer-binary
+
 # todo: some compatibility issues
 numpy <2.0