diff --git a/chess/__init__.py b/chess/__init__.py
index 64e15f208..fe84a7f5c 100644
--- a/chess/__init__.py
+++ b/chess/__init__.py
@@ -26,7 +26,7 @@
 
 __email__ = "niklas.fiekas@backscattering.de"
 
-__version__ = "0.31.4"
+__version__ = "1.0.0"
 
 import collections
 import copy