diff --git a/CHANGELOG.md b/CHANGELOG.md
index afb72892..b97745b1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@ CHANGELOG for FlatCAM beta
 - updated the Extract Tool - new functionality added: Extract Cutout Gerber from a given Gerber object; added parameters in Preferences
 - updated the UI for Cutout Tool
 - fixed Paint Tcl command; fixes issue #437
+- updated the setup_ubuntu.sh script
 
 9.11.2020
 
diff --git a/setup_ubuntu.sh b/setup_ubuntu.sh
index fec5b612..854f4815 100644
--- a/setup_ubuntu.sh
+++ b/setup_ubuntu.sh
@@ -44,6 +44,7 @@ sudo -H python3 -m pip install --upgrade \
 	qrcode \
 	pyqt5 \
 	reportlab \
-	svglib
+	svglib \
+	pyserial
 
 sudo -H easy_install -U distribute