diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..069c0f8
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,3 @@
+ansible
+keyring
+requests
diff --git a/vault-keyring-client.py b/vault-keyring-client.py
index b0932d8..9a486f2 100755
--- a/vault-keyring-client.py
+++ b/vault-keyring-client.py
@@ -104,11 +104,11 @@ def build_arg_parser():
 
 def main():
     config_manager = ConfigManager()
-    username = config_manager.data.get_setting('vault.username')
+    username = config_manager.get_configuration_definition('vault.username')
     if not username:
         username = getpass.getuser()
 
-    keyname = config_manager.data.get_setting('vault.keyname')
+    keyname = config_manager.get_configuration_definition('vault.keyname')
     if not keyname:
         keyname = 'ansible'