diff --git a/Tools/environment_install/install-prereqs-ubuntu.sh b/Tools/environment_install/install-prereqs-ubuntu.sh
index 5915fc1e9d..2655aeb8af 100755
--- a/Tools/environment_install/install-prereqs-ubuntu.sh
+++ b/Tools/environment_install/install-prereqs-ubuntu.sh
@@ -76,7 +76,7 @@ elif [ ${RELEASE_CODENAME} == 'focal' ] || [ ${RELEASE_CODENAME} == 'ulyssa' ];
     SITLCFML_VERSION="2.5"
     PYTHON_V="python3"
     PIP=pip3
-elif [ ${RELEASE_CODENAME} == 'groovy' ]; then
+elif [ ${RELEASE_CODENAME} == 'groovy' ] || [ ${RELEASE_CODENAME} == 'hirsute' ]; then
     SITLFML_VERSION="2.5"
     SITLCFML_VERSION="2.5"
     PYTHON_V="python3"
@@ -184,7 +184,7 @@ echo "Done!"
 if [ ${RELEASE_CODENAME} == 'focal' ] || [ ${RELEASE_CODENAME} == 'ulyssa' ]; then
     BASE_PKGS+=" python-is-python3"
     SITL_PKGS+=" libpython3-stdlib" # for argparse
-elif [ ${RELEASE_CODENAME} == 'groovy' ]; then
+elif [ ${RELEASE_CODENAME} == 'groovy' ] || [ ${RELEASE_CODENAME} == 'hirsute' ]; then
     BASE_PKGS+=" python-is-python3"
     SITL_PKGS+=" libpython3-stdlib" # for argparse
 else
@@ -193,7 +193,7 @@ fi
 
 # Check for graphical package for MAVProxy
 if [[ $SKIP_AP_GRAPHIC_ENV -ne 1 ]]; then
-  if [ ${RELEASE_CODENAME} == 'groovy' ]; then
+  if [ ${RELEASE_CODENAME} == 'groovy' ] || [ ${RELEASE_CODENAME} == 'hirsute' ]; then
     SITL_PKGS+=" python3-wxgtk4.0"
     SITL_PKGS+=" fonts-freefont-ttf libfreetype6-dev libjpeg8-dev libpng16-16 libportmidi-dev libsdl-image1.2-dev libsdl-mixer1.2-dev libsdl-ttf2.0-dev libsdl1.2-dev"  # for pygame
   elif [ ${RELEASE_CODENAME} == 'focal' ] || [ ${RELEASE_CODENAME} == 'ulyssa' ]; then