diff --git a/stage-honeypi/01-install-honeypi/00-run.sh b/stage-honeypi/01-install-honeypi/00-run.sh
index 4358b63..beb1819 100755
--- a/stage-honeypi/01-install-honeypi/00-run.sh
+++ b/stage-honeypi/01-install-honeypi/00-run.sh
@@ -109,13 +109,13 @@ dpkg-reconfigure -f noninteractive ntp
 echo '>>> Upgrade pip to at least v22.3'
 python3 -m pip install --upgrade pip # upgrade pip to at least v22.3
 echo '>>> Install software for measurement python scripts'
-pip3 install -r /home/${FIRST_USER_NAME}/HoneyPi/requirements.txt --upgrade
+pip3 install -r /home/${FIRST_USER_NAME}/HoneyPi/requirements.txt
 
 echo '>>> Install deprecated DHT library for measurement python scripts'
 # deprecated, but still used for Pi Zero WH because of known issues such as https://github.com/adafruit/Adafruit_CircuitPython_DHT/issues/73 - no longer working on bullseye
-python3 -m pip install --upgrade pip setuptools wheel # see: https://stackoverflow.com/a/72934737/6696623
-pip3 install Adafruit_DHT --config-settings="--force-pi"
-pip3 install Adafruit_Python_DHT --config-settings="--force-pi"
+python3 -m pip install --upgrade setuptools wheel # see: https://stackoverflow.com/a/72934737/6696623
+pip3 install Adafruit_DHT --config-settings="force-pi=1"
+pip3 install Adafruit_Python_DHT --config-settings="force-pi=1"
 
 echo '>>> Install software for Webinterface'
 lighttpd-enable-mod fastcgi