diff --git a/kolla_ansible/cmd/genpwd.py b/kolla_ansible/cmd/genpwd.py
index 34d4c713cf..3d0c01ea0b 100755
--- a/kolla_ansible/cmd/genpwd.py
+++ b/kolla_ansible/cmd/genpwd.py
@@ -112,7 +112,7 @@ def main():
                 ])
 
     with open(passwords_file, 'w') as f:
-        f.write(yaml.dump(passwords, default_flow_style=False))
+        f.write(yaml.safe_dump(passwords, default_flow_style=False))
 
 if __name__ == '__main__':
     main()
diff --git a/kolla_ansible/cmd/mergepwd.py b/kolla_ansible/cmd/mergepwd.py
index 44053f8e1b..ea3d128772 100755
--- a/kolla_ansible/cmd/mergepwd.py
+++ b/kolla_ansible/cmd/mergepwd.py
@@ -32,7 +32,7 @@ def main():
     new_passwords.update(old_passwords)
 
     with open(args.final, "w") as destination:
-        yaml.dump(new_passwords, destination, default_flow_style=False)
+        yaml.safe_dump(new_passwords, destination, default_flow_style=False)
 
 
 if __name__ == '__main__':