diff --git a/acme/setup.py b/acme/setup.py
index 2bcdd41da..c36a455ac 100644
--- a/acme/setup.py
+++ b/acme/setup.py
@@ -1,6 +1,6 @@
 from setuptools import setup
 
-version = '5.6.0'
+version = '5.7.0.dev0'
 
 setup(
     version=version,
diff --git a/certbot-apache/setup.py b/certbot-apache/setup.py
index 68c962d1b..dc99a4b1c 100644
--- a/certbot-apache/setup.py
+++ b/certbot-apache/setup.py
@@ -1,6 +1,6 @@
 from setuptools import setup
 
-version = '5.6.0'
+version = '5.7.0.dev0'
 
 install_requires = [
     # We specify the minimum certbot version as the current plugin
diff --git a/certbot-ci/setup.py b/certbot-ci/setup.py
index 2bcdd41da..c36a455ac 100644
--- a/certbot-ci/setup.py
+++ b/certbot-ci/setup.py
@@ -1,6 +1,6 @@
 from setuptools import setup
 
-version = '5.6.0'
+version = '5.7.0.dev0'
 
 setup(
     version=version,
diff --git a/certbot-compatibility-test/setup.py b/certbot-compatibility-test/setup.py
index 2bcdd41da..c36a455ac 100644
--- a/certbot-compatibility-test/setup.py
+++ b/certbot-compatibility-test/setup.py
@@ -1,6 +1,6 @@
 from setuptools import setup
 
-version = '5.6.0'
+version = '5.7.0.dev0'
 
 setup(
     version=version,
diff --git a/certbot-dns-cloudflare/setup.py b/certbot-dns-cloudflare/setup.py
index 940119254..f6055686f 100644
--- a/certbot-dns-cloudflare/setup.py
+++ b/certbot-dns-cloudflare/setup.py
@@ -2,7 +2,7 @@ import os
 
 from setuptools import setup
 
-version = '5.6.0'
+version = '5.7.0.dev0'
 
 install_requires = [
     'cloudflare>=4.0',
diff --git a/certbot-dns-digitalocean/setup.py b/certbot-dns-digitalocean/setup.py
index 8c4f3aed5..70ac37eeb 100644
--- a/certbot-dns-digitalocean/setup.py
+++ b/certbot-dns-digitalocean/setup.py
@@ -2,7 +2,7 @@ import os
 
 from setuptools import setup
 
-version = '5.6.0'
+version = '5.7.0.dev0'
 
 install_requires = [
     'python-digitalocean>=1.15.0', # 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 9a49a8d90..475972dfc 100644
--- a/certbot-dns-dnsimple/setup.py
+++ b/certbot-dns-dnsimple/setup.py
@@ -2,7 +2,7 @@ import os
 
 from setuptools import setup
 
-version = '5.6.0'
+version = '5.7.0.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 dec21ff5e..2d32dacbd 100644
--- a/certbot-dns-dnsmadeeasy/setup.py
+++ b/certbot-dns-dnsmadeeasy/setup.py
@@ -2,7 +2,7 @@ import os
 
 from setuptools import setup
 
-version = '5.6.0'
+version = '5.7.0.dev0'
 
 install_requires = [
     'dns-lexicon>=3.14.1',
diff --git a/certbot-dns-gehirn/setup.py b/certbot-dns-gehirn/setup.py
index dec21ff5e..2d32dacbd 100644
--- a/certbot-dns-gehirn/setup.py
+++ b/certbot-dns-gehirn/setup.py
@@ -2,7 +2,7 @@ import os
 
 from setuptools import setup
 
-version = '5.6.0'
+version = '5.7.0.dev0'
 
 install_requires = [
     'dns-lexicon>=3.14.1',
diff --git a/certbot-dns-google/setup.py b/certbot-dns-google/setup.py
index 5354f4104..0fa111ae8 100644
--- a/certbot-dns-google/setup.py
+++ b/certbot-dns-google/setup.py
@@ -2,7 +2,7 @@ import os
 
 from setuptools import setup
 
-version = '5.6.0'
+version = '5.7.0.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 dec21ff5e..2d32dacbd 100644
--- a/certbot-dns-linode/setup.py
+++ b/certbot-dns-linode/setup.py
@@ -2,7 +2,7 @@ import os
 
 from setuptools import setup
 
-version = '5.6.0'
+version = '5.7.0.dev0'
 
 install_requires = [
     'dns-lexicon>=3.14.1',
diff --git a/certbot-dns-luadns/setup.py b/certbot-dns-luadns/setup.py
index dec21ff5e..2d32dacbd 100644
--- a/certbot-dns-luadns/setup.py
+++ b/certbot-dns-luadns/setup.py
@@ -2,7 +2,7 @@ import os
 
 from setuptools import setup
 
-version = '5.6.0'
+version = '5.7.0.dev0'
 
 install_requires = [
     'dns-lexicon>=3.14.1',
diff --git a/certbot-dns-nsone/setup.py b/certbot-dns-nsone/setup.py
index dec21ff5e..2d32dacbd 100644
--- a/certbot-dns-nsone/setup.py
+++ b/certbot-dns-nsone/setup.py
@@ -2,7 +2,7 @@ import os
 
 from setuptools import setup
 
-version = '5.6.0'
+version = '5.7.0.dev0'
 
 install_requires = [
     'dns-lexicon>=3.14.1',
diff --git a/certbot-dns-ovh/setup.py b/certbot-dns-ovh/setup.py
index 6a763d16c..0673d5bcc 100644
--- a/certbot-dns-ovh/setup.py
+++ b/certbot-dns-ovh/setup.py
@@ -2,7 +2,7 @@ import os
 
 from setuptools import setup
 
-version = '5.6.0'
+version = '5.7.0.dev0'
 
 install_requires = [
     'dns-lexicon>=3.15.1',
diff --git a/certbot-dns-rfc2136/setup.py b/certbot-dns-rfc2136/setup.py
index ccf328522..5dece69aa 100644
--- a/certbot-dns-rfc2136/setup.py
+++ b/certbot-dns-rfc2136/setup.py
@@ -2,7 +2,7 @@ import os
 
 from setuptools import setup
 
-version = '5.6.0'
+version = '5.7.0.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 e902a92ca..ac93625ab 100644
--- a/certbot-dns-route53/setup.py
+++ b/certbot-dns-route53/setup.py
@@ -2,7 +2,7 @@ import os
 
 from setuptools import setup
 
-version = '5.6.0'
+version = '5.7.0.dev0'
 
 install_requires = [
     'boto3>=1.20.34',
diff --git a/certbot-dns-sakuracloud/setup.py b/certbot-dns-sakuracloud/setup.py
index dec21ff5e..2d32dacbd 100644
--- a/certbot-dns-sakuracloud/setup.py
+++ b/certbot-dns-sakuracloud/setup.py
@@ -2,7 +2,7 @@ import os
 
 from setuptools import setup
 
-version = '5.6.0'
+version = '5.7.0.dev0'
 
 install_requires = [
     'dns-lexicon>=3.14.1',
diff --git a/certbot-nginx/setup.py b/certbot-nginx/setup.py
index c6a71be35..8ae070825 100644
--- a/certbot-nginx/setup.py
+++ b/certbot-nginx/setup.py
@@ -1,6 +1,6 @@
 from setuptools import setup
 
-version = '5.6.0'
+version = '5.7.0.dev0'
 
 install_requires = [
     # We specify the minimum certbot version as the current plugin
diff --git a/certbot/src/certbot/__init__.py b/certbot/src/certbot/__init__.py
index 250bf6f25..b467db186 100644
--- a/certbot/src/certbot/__init__.py
+++ b/certbot/src/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__ = '5.6.0'
+__version__ = '5.7.0.dev0'
diff --git a/letstest/setup.py b/letstest/setup.py
index 2bcdd41da..c36a455ac 100644
--- a/letstest/setup.py
+++ b/letstest/setup.py
@@ -1,6 +1,6 @@
 from setuptools import setup
 
-version = '5.6.0'
+version = '5.7.0.dev0'
 
 setup(
     version=version,