diff --git a/README.md b/README.md
index 7187011..d41cb13 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,12 @@ source venv/bin/activate
 pip install bpy
 ```
 
+to install mathutils, this was necessary for me:
+```
+sudo xbps-install -Sy python3.11-devel
+CFLAGS=$(python3.11-config --cflags) LDFLAGS=$(python3.11-config --ldflags) pip install mathutils
+```
+
 # install addon:
 ```bash
 cd <root directory>