diff --git a/bindings/python/notmuch/version.py b/bindings/python/notmuch/version.py
index e1a49522..43071028 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__ = '0.23.7'
+__VERSION__ = '0.24~rc0'
 SOVERSION = '4'
diff --git a/version b/version
index 379191a4..ab10aa0f 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-0.23.7
+0.24~rc0