diff --git a/acme/setup.py b/acme/setup.py
index 557a7c5d3..ce2b7e9fe 100644
--- a/acme/setup.py
+++ b/acme/setup.py
@@ -1,7 +1,7 @@
 from setuptools import find_packages
 from setuptools import setup
 
-version = '4.0.0'
+version = '4.1.0.dev0'
 
 install_requires = [
     'cryptography>=43.0.0',
diff --git a/certbot-apache/setup.py b/certbot-apache/setup.py
index 4960ab796..07aca5312 100644
--- a/certbot-apache/setup.py
+++ b/certbot-apache/setup.py
@@ -1,7 +1,7 @@
 from setuptools import find_packages
 from setuptools import setup
 
-version = '4.0.0'
+version = '4.1.0.dev0'
 
 install_requires = [
     # We specify the minimum acme and certbot version as the current plugin
diff --git a/certbot-compatibility-test/setup.py b/certbot-compatibility-test/setup.py
index 79995a23d..d83a68404 100644
--- a/certbot-compatibility-test/setup.py
+++ b/certbot-compatibility-test/setup.py
@@ -1,7 +1,7 @@
 from setuptools import find_packages
 from setuptools import setup
 
-version = '4.0.0'
+version = '4.1.0.dev0'
 
 install_requires = [
     'certbot',
diff --git a/certbot-dns-cloudflare/setup.py b/certbot-dns-cloudflare/setup.py
index 431850a79..bd24fec27 100644
--- a/certbot-dns-cloudflare/setup.py
+++ b/certbot-dns-cloudflare/setup.py
@@ -4,7 +4,7 @@ import sys
 from setuptools import find_packages
 from setuptools import setup
 
-version = '4.0.0'
+version = '4.1.0.dev0'
 
 install_requires = [
     # for now, do not upgrade to cloudflare>=2.20 to avoid deprecation warnings and the breaking
diff --git a/certbot-dns-digitalocean/setup.py b/certbot-dns-digitalocean/setup.py
index 6714da986..1f9d9ee5b 100644
--- a/certbot-dns-digitalocean/setup.py
+++ b/certbot-dns-digitalocean/setup.py
@@ -4,7 +4,7 @@ import sys
 from setuptools import find_packages
 from setuptools import setup
 
-version = '4.0.0'
+version = '4.1.0.dev0'
 
 install_requires = [
     'python-digitalocean>=1.11', # 1.15.0 or newer is recommended for TTL support
diff --git a/certbot-dns-dnsimple/setup.py b/certbot-dns-dnsimple/setup.py
index 227d14cf2..56b323239 100644
--- a/certbot-dns-dnsimple/setup.py
+++ b/certbot-dns-dnsimple/setup.py
@@ -4,7 +4,7 @@ import sys
 from setuptools import find_packages
 from setuptools import setup
 
-version = '4.0.0'
+version = '4.1.0.dev0'
 
 install_requires = [
     # This version of lexicon is required to address the problem described in
diff --git a/certbot-dns-dnsmadeeasy/setup.py b/certbot-dns-dnsmadeeasy/setup.py
index b97bebfe7..da5e6b960 100644
--- a/certbot-dns-dnsmadeeasy/setup.py
+++ b/certbot-dns-dnsmadeeasy/setup.py
@@ -4,7 +4,7 @@ import sys
 from setuptools import find_packages
 from setuptools import setup
 
-version = '4.0.0'
+version = '4.1.0.dev0'
 
 install_requires = [
     'dns-lexicon>=3.14.1',
diff --git a/certbot-dns-gehirn/setup.py b/certbot-dns-gehirn/setup.py
index 98de3ca5e..12cc94397 100644
--- a/certbot-dns-gehirn/setup.py
+++ b/certbot-dns-gehirn/setup.py
@@ -4,7 +4,7 @@ import sys
 from setuptools import find_packages
 from setuptools import setup
 
-version = '4.0.0'
+version = '4.1.0.dev0'
 
 install_requires = [
     'dns-lexicon>=3.14.1',
diff --git a/certbot-dns-google/setup.py b/certbot-dns-google/setup.py
index 889daba3c..65be10cf0 100644
--- a/certbot-dns-google/setup.py
+++ b/certbot-dns-google/setup.py
@@ -4,7 +4,7 @@ import sys
 from setuptools import find_packages
 from setuptools import setup
 
-version = '4.0.0'
+version = '4.1.0.dev0'
 
 install_requires = [
     'google-api-python-client>=1.6.5',
diff --git a/certbot-dns-linode/setup.py b/certbot-dns-linode/setup.py
index d5e706889..7e01b3c64 100644
--- a/certbot-dns-linode/setup.py
+++ b/certbot-dns-linode/setup.py
@@ -4,7 +4,7 @@ import sys
 from setuptools import find_packages
 from setuptools import setup
 
-version = '4.0.0'
+version = '4.1.0.dev0'
 
 install_requires = [
     'dns-lexicon>=3.14.1',
diff --git a/certbot-dns-luadns/setup.py b/certbot-dns-luadns/setup.py
index 39eafed94..cf8e63b60 100644
--- a/certbot-dns-luadns/setup.py
+++ b/certbot-dns-luadns/setup.py
@@ -4,7 +4,7 @@ import sys
 from setuptools import find_packages
 from setuptools import setup
 
-version = '4.0.0'
+version = '4.1.0.dev0'
 
 install_requires = [
     'dns-lexicon>=3.14.1',
diff --git a/certbot-dns-nsone/setup.py b/certbot-dns-nsone/setup.py
index 64f59779a..da9df2252 100644
--- a/certbot-dns-nsone/setup.py
+++ b/certbot-dns-nsone/setup.py
@@ -4,7 +4,7 @@ import sys
 from setuptools import find_packages
 from setuptools import setup
 
-version = '4.0.0'
+version = '4.1.0.dev0'
 
 install_requires = [
     'dns-lexicon>=3.14.1',
diff --git a/certbot-dns-ovh/setup.py b/certbot-dns-ovh/setup.py
index aacfc241c..4271661a0 100644
--- a/certbot-dns-ovh/setup.py
+++ b/certbot-dns-ovh/setup.py
@@ -4,7 +4,7 @@ import sys
 from setuptools import find_packages
 from setuptools import setup
 
-version = '4.0.0'
+version = '4.1.0.dev0'
 
 install_requires = [
     'dns-lexicon>=3.15.1',
diff --git a/certbot-dns-rfc2136/setup.py b/certbot-dns-rfc2136/setup.py
index 333e40891..ad8cd10ba 100644
--- a/certbot-dns-rfc2136/setup.py
+++ b/certbot-dns-rfc2136/setup.py
@@ -4,7 +4,7 @@ import sys
 from setuptools import find_packages
 from setuptools import setup
 
-version = '4.0.0'
+version = '4.1.0.dev0'
 
 install_requires = [
     # This version was chosen because it is the version packaged in RHEL 9 and Debian unstable. It
diff --git a/certbot-dns-route53/setup.py b/certbot-dns-route53/setup.py
index 49c497fda..fa4e0bdc7 100644
--- a/certbot-dns-route53/setup.py
+++ b/certbot-dns-route53/setup.py
@@ -4,7 +4,7 @@ import sys
 from setuptools import find_packages
 from setuptools import setup
 
-version = '4.0.0'
+version = '4.1.0.dev0'
 
 install_requires = [
     'boto3>=1.15.15',
diff --git a/certbot-dns-sakuracloud/setup.py b/certbot-dns-sakuracloud/setup.py
index a7dd4937c..e0d8c3372 100644
--- a/certbot-dns-sakuracloud/setup.py
+++ b/certbot-dns-sakuracloud/setup.py
@@ -4,7 +4,7 @@ import sys
 from setuptools import find_packages
 from setuptools import setup
 
-version = '4.0.0'
+version = '4.1.0.dev0'
 
 install_requires = [
     'dns-lexicon>=3.14.1',
diff --git a/certbot-nginx/setup.py b/certbot-nginx/setup.py
index 7e89bb974..ec76a0d1f 100644
--- a/certbot-nginx/setup.py
+++ b/certbot-nginx/setup.py
@@ -1,7 +1,7 @@
 from setuptools import find_packages
 from setuptools import setup
 
-version = '4.0.0'
+version = '4.1.0.dev0'
 
 install_requires = [
     # We specify the minimum acme and certbot version as the current plugin
diff --git a/certbot/certbot/__init__.py b/certbot/certbot/__init__.py
index c9cf42b3a..32c588c25 100644
--- a/certbot/certbot/__init__.py
+++ b/certbot/certbot/__init__.py
@@ -1,4 +1,4 @@
 """Certbot client."""
 
 # version number like 1.2.3a0, must have at least 2 parts, like 1.2
-__version__ = '4.0.0'
+__version__ = '4.1.0.dev0'