diff --git a/setup.py b/setup.py
index a726d7e..e8e8758 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 
 setup(
     name='perceiver-io-pytorch',
-    version='0.1.3',
+    version='0.1.3rc1',
     packages=['perceiver_io'],
     package_dir={'': 'src'},
     url='https://github.com/esceptico/perceiver-io',