diff --git a/CHANGES.rst b/CHANGES.rst
index 557a0eb018aa4b07169d520ff5acd796acb86364..8a0daa97785866cf9fd6ffee0ccfa6f792f75144 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,12 @@
 Changes
 =======
 
+1.0.1.dev0 (yet unreleased)
+-------------------------
+
+No changes yet.
+
+
 1.0 (2024-12-24)
 ----------------
 
diff --git a/diceware.1 b/diceware.1
index 161aa3bbc0ec78ad64d582c2833a8e082f941ab0..a59d12c1c64ee7a840e7c836da32d888a4405fb4 100644
--- a/diceware.1
+++ b/diceware.1
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH DICEWARE 1 "December 2024" "diceware 1.0" "User Commands"
+.TH DICEWARE 1 "December 2024" "diceware 1.0.1.dev0" "User Commands"
 .SH NAME
 diceware \- create passphrases
 .
diff --git a/diceware/__about__.py b/diceware/__about__.py
index 5a18a04ad17178810d7fbb6e0dec11b65346ec73..8b5eb225ba25d994e932926c0df393efe69d9d8f 100644
--- a/diceware/__about__.py
+++ b/diceware/__about__.py
@@ -1,4 +1,4 @@
-version = "1.0"
+version = "1.0.1.dev0"
 random_sources = {
     'system': 'diceware.random_sources:SystemRandomSource',
     'realdice': 'diceware.random_sources:RealDiceRandomSource',
diff --git a/docs/manpage.rst b/docs/manpage.rst
index 03764311c6669b044f3f7537b1dbe3c66ac964f0..55359de9728747798a28eceeb19cbb6ca6d1549e 100644
--- a/docs/manpage.rst
+++ b/docs/manpage.rst
@@ -4,7 +4,7 @@
 :manual_section: 1
 :manual_group: User Commands
 :date: December 2024
-:version: diceware 1.0
+:version: diceware 1.0.1.dev0
 :author: Written by Uli Fouquet and contributors