diff --git a/ubuntu_laptop.sh b/ubuntu_laptop.sh
index 5319534..114758c 100644
--- a/ubuntu_laptop.sh
+++ b/ubuntu_laptop.sh
@@ -575,6 +575,9 @@ sudo snap install blender --classic
 # see https://askubuntu.com/questions/1403705/dev-ttyusb0-not-present-in-ubuntu-22-04
 sudo apt-get remove -y brltty
 
+# allow access to /dev/ttyUSB* without sudo
+sudo usermod -a -G dialout $USER
+
 # Wireshark
 # https://askubuntu.com/questions/1275842/install-wireshark-without-confirm
 echo "wireshark-common	wireshark-common/install-setuid	boolean	false" | sudo debconf-set-selections