diff --git a/bindings/python-cffi/version.txt b/bindings/python-cffi/version.txt
index c415e1c6..8239f42d 100644
--- a/bindings/python-cffi/version.txt
+++ b/bindings/python-cffi/version.txt
@@ -1 +1 @@
-0.31.2
+0.31.3
diff --git a/bindings/python/notmuch/version.py b/bindings/python/notmuch/version.py
index 0d8fdd04..0be316c2 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__ = '0.31.2'
+__VERSION__ = '0.31.3'
 SOVERSION = '5'
diff --git a/version.txt b/version.txt
index c415e1c6..8239f42d 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-0.31.2
+0.31.3