diff --git a/bin/packages.sh b/bin/packages.sh
index 4cf5cb5..82211a2 100755
--- a/bin/packages.sh
+++ b/bin/packages.sh
@@ -1,8 +1,9 @@
 #!/bin/bash -e
 
+BASEDIR=`dirname $0`/..
+
 echo "Building wheel..."
-python setup.py bdist_wheel
+"$BASEDIR/env/bin/python" setup.py bdist_wheel
 
 echo "Building egg..."
-python setup.py sdist
-
+"$BASEDIR/env/bin/python" setup.py sdist
diff --git a/cli/bin/packages.sh b/cli/bin/packages.sh
index 4cf5cb5..82211a2 100755
--- a/cli/bin/packages.sh
+++ b/cli/bin/packages.sh
@@ -1,8 +1,9 @@
 #!/bin/bash -e
 
+BASEDIR=`dirname $0`/..
+
 echo "Building wheel..."
-python setup.py bdist_wheel
+"$BASEDIR/env/bin/python" setup.py bdist_wheel
 
 echo "Building egg..."
-python setup.py sdist
-
+"$BASEDIR/env/bin/python" setup.py sdist