diff --git a/build.sh b/build.sh
index 91b9121..3d726e4 100755
--- a/build.sh
+++ b/build.sh
@@ -1,5 +1,8 @@
 #!/bin/bash
 
+pyenv=$(which pyenv)
+interpreters=(2.7 3.7 3.9 3.10)
+
 read -p "Build dataplicity agent v$(python dataplicity/_version.py) from PyPi? " -n 1 -r
 echo
 if [[ ! "$REPLY" =~ ^[Yy]$ ]]
@@ -7,13 +10,31 @@ then
     exit 1
 fi
 
+# check if pyenv is installed:
+if [ ! -e ~/.pyenv/ ]
+then
+    echo "Make sure you have pyenv installed"
+    exit 1
+fi
+
+pyenvRoot=$("$pyenv" root)
+
+buildParams=""
+for version in ${interpreters[@]}; do
+    fullVersion=$(pyenv install --list | grep "^  $version" | tail -1 | xargs)
+    echo "${version} => ${fullVersion}"
+    pyenv install -s $fullVersion
+    buildParams="$buildParams--python=$pyenvRoot/versions/$fullVersion/bin/python "
+done
+
 mkdir -p bin
 rm -f bin/dataplicity
 rm -rf .build
-virtualenv -qq .build -p python3
+python3 -m venv .build
 source .build/bin/activate
-pip -q install pex==2.1.21 subprocess32
+pip -q install pex==2.1.112 subprocess32
 echo building ./bin/dataplicity
-pex dataplicity==$(python dataplicity/_version.py) --pre --python-shebang="#!/usr/bin/env python" --python=$(which python2) --python=$(which python3) -r requirements.txt -o bin/dataplicity -m dataplicity.app:main
+echo "pex dataplicity==$(python dataplicity/_version.py) --pre --python-shebang='#!/usr/bin/env python' -r requirements.txt -o bin/dataplicity -m dataplicity.app:main $buildParams"
+pex dataplicity==$(python dataplicity/_version.py) --pre --python-shebang='#!/usr/bin/env python' -r requirements.txt -o bin/dataplicity -m dataplicity.app:main $buildParams
 deactivate
 echo built dataplicity agent v$(./bin/dataplicity version)
diff --git a/dataplicity/_version.py b/dataplicity/_version.py
index 72c840d..c43e678 100644
--- a/dataplicity/_version.py
+++ b/dataplicity/_version.py
@@ -1,4 +1,4 @@
-__version__ = "0.5.9"
+__version__ = "0.5.9a10"
 
 if __name__ == "__main__":
     # The build script uses this to extract the current version
diff --git a/setup.py b/setup.py
index d71c6cb..209fbbc 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,8 @@
 classifiers = [
     "Development Status :: 3 - Alpha",
     "Intended Audience :: Developers",
-    "Programming Language :: Python",
+    "Programming Language :: Python :: 2",
+    "Programming Language :: Python :: 3",
 ]
 
 # http://bit.ly/2alyerp
@@ -25,8 +26,9 @@
     url="https://www.dataplicity.com",
     platforms=["any"],
     packages=find_packages(),
+    python_requires='>=2.7',
     classifiers=classifiers,
     entry_points={"console_scripts": ["dataplicity = dataplicity.app:main"]},
-    install_requires=["enum34==1.1.6", "six==1.10.0", "lomond==0.3.3"],
+    install_requires=["enum34==1.1.6", "six==1.10.0", "lomond==0.3.3", "distro==1.6.0"],
     zip_safe=True,
 )