diff --git a/conf.env b/conf.env
index c226886..9bce488 100644
--- a/conf.env
+++ b/conf.env
@@ -1,3 +1,3 @@
-NGINX_VERSION=1.21.4
+NGINX_VERSION=1.21.6
 NGX_GEOIP2_VERSION=3.3
 DOCKER_IMAGE=dcarrillo/nginx