diff --git a/README.md b/README.md
index c7ee83e..1426e56 100644
--- a/README.md
+++ b/README.md
@@ -65,5 +65,5 @@ ansible-playbook -K 01_install_cacert_oidc.yml
 sudo apt install vagrant-libvirt virt-manager libvirt-clients
 vagrant up
 vagrant ssh -- cat .local/share/mkcert/rootCA.pem | sudo tee /usr/local/share/ca-certificates/mkcert-vagrant-oidc.crt
-sudo update ca-certificates
+sudo update-ca-certificates
 ```