diff --git a/modules/fileShare.nix b/modules/fileShare.nix
index 33de357..e37c341 100644
--- a/modules/fileShare.nix
+++ b/modules/fileShare.nix
@@ -22,6 +22,7 @@ in
         security = user
         #use sendfile = yes
         #max protocol = smb2
+        min protocol = SMB3
         hosts allow = ${allow} localhost
         hosts deny = 0.0.0.0/0
         guest account = nobody