diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 148b347..aad0487 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -6,3 +6,5 @@ tag = True
 [bumpversion:file:setup.py]
 
 [bumpversion:file:calphy/__init__.py]
+
+[bumpversion:file:calphy/input.py]