diff --git a/group_vars/web.yml b/group_vars/web.yml
new file mode 100644
index 0000000..66414d3
--- /dev/null
+++ b/group_vars/web.yml
@@ -0,0 +1,2 @@
+---
+nginx__dhparam_size: 4096
diff --git a/roles/nginx2 b/roles/nginx2
index 642aa37..f14aad6 160000
--- a/roles/nginx2
+++ b/roles/nginx2
@@ -1 +1 @@
-Subproject commit 642aa37a60f0df627d3cfadc9c6b407640feefa2
+Subproject commit f14aad6fc0a400e89496db6e747145bf79ef587d