diff --git a/src/lager.app.src b/src/lager.app.src
index 1f48757..d6200f6 100644
--- a/src/lager.app.src
+++ b/src/lager.app.src
@@ -3,7 +3,7 @@
 {application, lager,
  [
   {description, "Erlang logging framework"},
-  {vsn, "1.0.0"},
+  {vsn, "0.9.0"},
   {modules, []},
   {applications, [
                   kernel,