diff --git a/setup.py b/setup.py
index bee6a64..b535414 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 setup(
     name = "sioworkers",
-    version = '1.5.2',
+    version = '1.5.5',
     author = "SIO2 Project Team",
     author_email = 'sio2@sio2project.mimuw.edu.pl',
     description = "Programming contest judging infrastructure",