diff --git a/src/n2o.app.src b/src/n2o.app.src
index f0b1eb7b..9567b99c 100644
--- a/src/n2o.app.src
+++ b/src/n2o.app.src
@@ -1,6 +1,6 @@
 {application, n2o, [
     {description,  "N2O WebSocket Application Server"},
-    {vsn,          "4.4"},
+    {vsn,          "5.10"},
     {applications, [kernel, stdlib, cowboy]},
     {modules, []},
     {registered,   []},