diff --git a/README.md b/README.md
index 78856155..fdcb46eb 100644
--- a/README.md
+++ b/README.md
@@ -13,10 +13,9 @@ Please file issues if you notice that anything is not working as expected.
 These demos are intended to be run on a linux OS. Your system must meet the
 following requirements:
 
-- A Python interpreter must be installed.
-- ADB must be available on the path. ADB comes as part of the [Android
-  SDK](http://www.androiddocs.com/sdk/installing/index.html). Note that
-  installing the command line tools is sufficient.
+- A Python interpreter must be installed (python3 with python3-venv to create virtual environments) 
+- ADB must be available on the path. ADB comes as part of th Android SDK.
+  Note that installing the command line tools is sufficient.
 - [Docker](https://docs.docker.com/v17.12/install/) must be installed. Make
   sure you can run it as [non-root
   user](https://docs.docker.com/install/linux/linux-postinstall/)
diff --git a/emu/templates/launch-emulator.sh b/emu/templates/launch-emulator.sh
index 51988dff..921861e4 100644
--- a/emu/templates/launch-emulator.sh
+++ b/emu/templates/launch-emulator.sh
@@ -239,6 +239,10 @@ fi
 # Add qemu specific parameters
 var_append LAUNCH_CMD -qemu -append panic=1
 
+if [ ! -z "${ANDROID_AVD_HOME}" ]; then
+  export ANDROID_AVD_HOME=/android-home
+fi
+
 # Kick off the emulator
 exec $LAUNCH_CMD
 # All done!
diff --git a/setup.py b/setup.py
index e6da2479..289afd05 100644
--- a/setup.py
+++ b/setup.py
@@ -121,6 +121,8 @@
     # Any package you put here will be installed by pip when your project is
     # installed, so they must be valid existing projects.
     install_requires=[
+        "urllib3==1.26",
+        "markupsafe==2.0.1",
         "requests",
         "jinja2==2.11.1",
         "console-menu",