diff --git a/bffh-v0.4.2-with-python3-dockerfile-v2 b/bffh-v0.4.2-with-python3-dockerfile-v2
index 3610e40..a30997d 100644
--- a/bffh-v0.4.2-with-python3-dockerfile-v2
+++ b/bffh-v0.4.2-with-python3-dockerfile-v2
@@ -1,7 +1,7 @@
 FROM registry.gitlab.com/fabinfra/fabaccess/bffh:v0.4.2
 
 RUN apt update && apt install -y python3 python3-pip
-RUN pip3 install paho-mqtt=1.6.1
+RUN pip3 install paho-mqtt==1.6.1
 
 # this adds python3 to this version of the fabaccess bffh server
 # also installs paho-mqtt as it's required for https://gitlab.com/volkersfreunde/tasmota