diff --git a/lib/ApaiIO/ApaiIO.php b/lib/ApaiIO/ApaiIO.php
index 2545408..3206250 100644
--- a/lib/ApaiIO/ApaiIO.php
+++ b/lib/ApaiIO/ApaiIO.php
@@ -35,7 +35,7 @@
  */
 class ApaiIO
 {
-    const VERSION = "2.0.0-DEV";
+    const VERSION = "1.9.0";
 
     /**
      * Configuration