diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index bfb9bdbe..e88406ee 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,6 +1,13 @@
 [bumpversion]
-files = zipline/__init__.py .bumpversion.cfg conda/zipline/meta.yaml setup.py
 commit = True
 tag = True
 current_version = 0.6.1
+parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(\-(?P<release>[a-z]+))?
+serialize =
+    {major}.{minor}.{patch}rc{release}
+    {major}.{minor}.{patch}
 
+[bumpversion:file:zipline/__init__.py]
+[bumpversion:file:.bumpversion.cfg]
+[bumpversion:file:conda/zipline/meta.yaml]
+[bumpversion:file:setup.py]