diff --git a/bin/install-ansible b/bin/install-ansible
index c76fc9f..f29e024 100755
--- a/bin/install-ansible
+++ b/bin/install-ansible
@@ -12,4 +12,4 @@ set -e
 
 pip install pipenv
 
-pipenv install
+pipenv sync
diff --git a/bin/run-all-tests b/bin/run-all-tests
index 0967276..82b1c02 100755
--- a/bin/run-all-tests
+++ b/bin/run-all-tests
@@ -3,7 +3,7 @@
 set -e
 
 # Use Ansible from virtualenv if provided
-pipenv install molecule docker six
+pipenv sync --dev
 
 for role in `find roles/ -name molecule | sort`; do
     pushd `dirname $role`