diff --git a/bindings/python/notmuch/version.py b/bindings/python/notmuch/version.py
index db3b0f88..da704625 100644
--- a/bindings/python/notmuch/version.py
+++ b/bindings/python/notmuch/version.py
@@ -1,3 +1,3 @@
 # this file should be kept in sync with ../../../version
-__VERSION__ = '0.22~rc0'
+__VERSION__ = '0.22~rc1'
 SOVERSION = '4'
diff --git a/version b/version
index c356c3e7..d57df829 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-0.22~rc0
+0.22~rc1