diff --git a/README.md b/README.md
index 5993339f..5ef6ff20 100644
--- a/README.md
+++ b/README.md
@@ -700,6 +700,7 @@ Below is the complete list of available options that can be used to customize yo
 - **SSL_CERTIFICATE_PATH**: Location of the ssl certificate. Defaults to `/home/git/data/certs/gitlab.crt`
 - **SSL_KEY_PATH**: Location of the ssl private key. Defaults to `/home/git/data/certs/gitlab.key`
 - **SSL_DHPARAM_PATH**: Location of the dhparam file. Defaults to `/home/git/data/certs/dhparam.pem`
+- **SSL_VERIFY_CLIENT**: Enable verification of client certificates using the `CA_CERTIFICATES_PATH` file. Defaults to `false`
 - **CA_CERTIFICATES_PATH**: List of SSL certificates to trust. Defaults to `/home/git/data/certs/ca.crt`.
 - **NGINX_MAX_UPLOAD_SIZE**: Maximum acceptable upload size. Defaults to `20m`.
 - **NGINX_X_FORWARDED_PROTO**: Advanced configuration option for the `proxy_set_header X-Forwarded-Proto` setting in the gitlab nginx vHost configuration. Defaults to `https` when `GITLAB_HTTPS` is `true`, else defaults to `$scheme`.