diff --git a/CHANGELOG.md b/CHANGELOG.md
index ca453328..1792985f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,8 @@ CHANGELOG for FlatCAM beta
 - fixed Film Plugin (Tool) negative generation to have the black background in sync with the actual geometry when transformations are applied
 - fixed Film Plugin (Tool) to have mirroring done only with reference 'center' regardless of what is selected in the UI
 - in Film Plugin now multiple adjustments can be applied at the same time and correctly
+- updated the files to use the new name for the voronoi package: foronoi
+- using Python 3.9.4
 
 17.06.2021
 
diff --git a/appPlugins/ToolLevelling.py b/appPlugins/ToolLevelling.py
index b2052dd9..c6ad9fbc 100644
--- a/appPlugins/ToolLevelling.py
+++ b/appPlugins/ToolLevelling.py
@@ -37,8 +37,8 @@ import shapely.affinity as affinity
 from matplotlib.backend_bases import KeyEvent as mpl_key_event
 
 try:
-    from voronoi import Voronoi
-    from voronoi import Polygon as voronoi_poly
+    from foronoi import Voronoi
+    from foronoi import Polygon as voronoi_poly
     VORONOI_ENABLED = True
 except Exception:
     try:
diff --git a/requirements.txt b/requirements.txt
index 95416ec7..f27b5acb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,4 +30,5 @@ pikepdf>=2.0
 pywin32>2.0
 pyqt5>=5.12.1
 vispy
-rasterio
\ No newline at end of file
+rasterio
+foronoi>=1.0.3
\ No newline at end of file
diff --git a/setup_ubuntu.sh b/setup_ubuntu.sh
index a05bb87e..dc91ade2 100644
--- a/setup_ubuntu.sh
+++ b/setup_ubuntu.sh
@@ -47,6 +47,7 @@ sudo -H python3 -m pip install --upgrade \
 	svglib \
 	pyserial \
 	testresources \
-	pikepdf
+	pikepdf \
+	foronoi
 
 sudo -H easy_install -U distribute