diff --git a/CHANGES.rst b/CHANGES.rst
index 2e222c3cafed999c2fd7fe97a3296bda4b3b8f76..b4b84f0f86536618862238c4e1c2d1815c9d7b46 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,12 @@
 Changes
 =======
 
+0.9.4.dev0 (unreleased)
+-----------------------
+
+- No changes yet.
+
+
 0.9.3 (2017-09-14)
 ------------------
 
diff --git a/diceware.1 b/diceware.1
index 007b7baa735d12017a19abc13c235af1514acb88..080ae1437575036eff76fc083f5c190b00099dce 100644
--- a/diceware.1
+++ b/diceware.1
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH DICEWARE 1 "September 2017" "diceware 0.9.3" "User Commands"
+.TH DICEWARE 1 "September 2017" "diceware 0.9.4.dev0" "User Commands"
 .SH NAME
 diceware \- create passphrases
 .
diff --git a/docs/manpage.rst b/docs/manpage.rst
index 0a879eb5e5b3f34fc28a941ad4c79b7e7967156c..9efcac9a7c9a2c457d77b0229c791d653f6e0fda 100644
--- a/docs/manpage.rst
+++ b/docs/manpage.rst
@@ -4,7 +4,7 @@
 :manual_section: 1
 :manual_group: User Commands
 :date: September 2017
-:version: diceware 0.9.3
+:version: diceware 0.9.4.dev0
 :author: Written by Uli Fouquet and contributors
 
 
diff --git a/setup.py b/setup.py
index 86061e9d80bb4fe55f6373013c28383f9fc217ea..00ab1e8d938d348eb1fb494255493cafe26a1ff1 100644
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,7 @@ docs_require = [
 
 setup(
     name="diceware",
-    version="0.9.3",
+    version="0.9.4.dev0",
     author="Uli Fouquet",
     author_email="uli@gnufix.de",
     description=(