diff --git a/VERSION b/VERSION
index 9d6c175..3f299b8 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.5.12
+0.5.99.99
diff --git a/meson.build b/meson.build
index 7f60ac0..e3dba3c 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 ##### Project
 project('evisum', 'c',
-        version       : '0.5.12',
+        version       : '0.5.99.99'
         meson_version : '>= 0.40.0')
 
 efl_version = '>= 1.22.0'