diff --git a/CHANGES.txt b/CHANGES.txt
index c0f8d14..62121c4 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,8 @@
+0.3.1.post1 (2018-05-15)
+------------------------
+
+- version changed in setup.py
+
 0.3.1 (2018-05-15)
 ------------------
 
diff --git a/docs/conf.py b/docs/conf.py
index ad9ab2a..72d4160 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -47,7 +47,7 @@
 # other places throughout the built documents.
 #
 # The short X.Y version.
-version = '0.3.1'
+version = '0.3.1.post1'
 # The full version, including alpha/beta/rc tags.
 release = version
 
diff --git a/setup.py b/setup.py
index 5993ac8..328b024 100644
--- a/setup.py
+++ b/setup.py
@@ -30,7 +30,7 @@
 ]
 
 setup(name='pyramid_ldap',
-      version='0.3.1',
+      version='0.3.1.post1',
       description='pyramid_ldap',
       long_description=README + '\n\n' + CHANGES,
       classifiers=[