diff --git a/acme/setup.py b/acme/setup.py
index eeee80d4d..17a5af8d3 100644
--- a/acme/setup.py
+++ b/acme/setup.py
@@ -5,7 +5,7 @@ from setuptools import __version__ as setuptools_version
 from setuptools import find_packages
 from setuptools import setup
 
-version = '1.11.0'
+version = '1.12.0.dev0'
 
 # Please update tox.ini when modifying dependency version requirements
 install_requires = [
diff --git a/certbot-apache/setup.py b/certbot-apache/setup.py
index aba22d16d..aebd96b17 100644
--- a/certbot-apache/setup.py
+++ b/certbot-apache/setup.py
@@ -5,7 +5,7 @@ from setuptools import __version__ as setuptools_version
 from setuptools import find_packages
 from setuptools import setup
 
-version = '1.11.0'
+version = '1.12.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-compatibility-test/setup.py b/certbot-compatibility-test/setup.py
index 039eca4d3..bdd51783b 100644
--- a/certbot-compatibility-test/setup.py
+++ b/certbot-compatibility-test/setup.py
@@ -5,7 +5,7 @@ from setuptools import __version__ as setuptools_version
 from setuptools import find_packages
 from setuptools import setup
 
-version = '1.11.0'
+version = '1.12.0.dev0'
 
 install_requires = [
     'certbot',
diff --git a/certbot-dns-cloudflare/setup.py b/certbot-dns-cloudflare/setup.py
index 3d58fcc8d..c5be8a49f 100644
--- a/certbot-dns-cloudflare/setup.py
+++ b/certbot-dns-cloudflare/setup.py
@@ -6,7 +6,7 @@ from setuptools import __version__ as setuptools_version
 from setuptools import find_packages
 from setuptools import setup
 
-version = '1.11.0'
+version = '1.12.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-cloudxns/setup.py b/certbot-dns-cloudxns/setup.py
index 2d0794d5b..ed9502970 100644
--- a/certbot-dns-cloudxns/setup.py
+++ b/certbot-dns-cloudxns/setup.py
@@ -6,7 +6,7 @@ from setuptools import __version__ as setuptools_version
 from setuptools import find_packages
 from setuptools import setup
 
-version = '1.11.0'
+version = '1.12.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-digitalocean/setup.py b/certbot-dns-digitalocean/setup.py
index ebf89afdb..1a07ceae9 100644
--- a/certbot-dns-digitalocean/setup.py
+++ b/certbot-dns-digitalocean/setup.py
@@ -6,7 +6,7 @@ from setuptools import __version__ as setuptools_version
 from setuptools import find_packages
 from setuptools import setup
 
-version = '1.11.0'
+version = '1.12.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-dnsimple/setup.py b/certbot-dns-dnsimple/setup.py
index f4c142c27..3cb6ca83b 100644
--- a/certbot-dns-dnsimple/setup.py
+++ b/certbot-dns-dnsimple/setup.py
@@ -6,7 +6,7 @@ from setuptools import __version__ as setuptools_version
 from setuptools import find_packages
 from setuptools import setup
 
-version = '1.11.0'
+version = '1.12.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-dnsmadeeasy/setup.py b/certbot-dns-dnsmadeeasy/setup.py
index 20b3480e0..69fe0e384 100644
--- a/certbot-dns-dnsmadeeasy/setup.py
+++ b/certbot-dns-dnsmadeeasy/setup.py
@@ -6,7 +6,7 @@ from setuptools import __version__ as setuptools_version
 from setuptools import find_packages
 from setuptools import setup
 
-version = '1.11.0'
+version = '1.12.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-gehirn/setup.py b/certbot-dns-gehirn/setup.py
index bf6ef3a15..22c4d8e2b 100644
--- a/certbot-dns-gehirn/setup.py
+++ b/certbot-dns-gehirn/setup.py
@@ -6,7 +6,7 @@ from setuptools import __version__ as setuptools_version
 from setuptools import find_packages
 from setuptools import setup
 
-version = '1.11.0'
+version = '1.12.0.dev0'
 
 # Please update tox.ini when modifying dependency version requirements
 install_requires = [
diff --git a/certbot-dns-google/setup.py b/certbot-dns-google/setup.py
index bb9498089..aa2471a4b 100644
--- a/certbot-dns-google/setup.py
+++ b/certbot-dns-google/setup.py
@@ -6,7 +6,7 @@ from setuptools import __version__ as setuptools_version
 from setuptools import find_packages
 from setuptools import setup
 
-version = '1.11.0'
+version = '1.12.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-linode/setup.py b/certbot-dns-linode/setup.py
index d860c81e7..b1aa22b84 100644
--- a/certbot-dns-linode/setup.py
+++ b/certbot-dns-linode/setup.py
@@ -6,7 +6,7 @@ from setuptools import __version__ as setuptools_version
 from setuptools import find_packages
 from setuptools import setup
 
-version = '1.11.0'
+version = '1.12.0.dev0'
 
 # Please update tox.ini when modifying dependency version requirements
 install_requires = [
diff --git a/certbot-dns-luadns/setup.py b/certbot-dns-luadns/setup.py
index c7a2f1fb4..6eb633567 100644
--- a/certbot-dns-luadns/setup.py
+++ b/certbot-dns-luadns/setup.py
@@ -6,7 +6,7 @@ from setuptools import __version__ as setuptools_version
 from setuptools import find_packages
 from setuptools import setup
 
-version = '1.11.0'
+version = '1.12.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-nsone/setup.py b/certbot-dns-nsone/setup.py
index 0ccc2b08a..b21e7f38b 100644
--- a/certbot-dns-nsone/setup.py
+++ b/certbot-dns-nsone/setup.py
@@ -6,7 +6,7 @@ from setuptools import __version__ as setuptools_version
 from setuptools import find_packages
 from setuptools import setup
 
-version = '1.11.0'
+version = '1.12.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-ovh/setup.py b/certbot-dns-ovh/setup.py
index 7e557bccf..954d8f011 100644
--- a/certbot-dns-ovh/setup.py
+++ b/certbot-dns-ovh/setup.py
@@ -6,7 +6,7 @@ from setuptools import __version__ as setuptools_version
 from setuptools import find_packages
 from setuptools import setup
 
-version = '1.11.0'
+version = '1.12.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-rfc2136/setup.py b/certbot-dns-rfc2136/setup.py
index 8760c9e11..9acbeffda 100644
--- a/certbot-dns-rfc2136/setup.py
+++ b/certbot-dns-rfc2136/setup.py
@@ -6,7 +6,7 @@ from setuptools import __version__ as setuptools_version
 from setuptools import find_packages
 from setuptools import setup
 
-version = '1.11.0'
+version = '1.12.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-route53/setup.py b/certbot-dns-route53/setup.py
index 8485b7199..33fd4e2b2 100644
--- a/certbot-dns-route53/setup.py
+++ b/certbot-dns-route53/setup.py
@@ -6,7 +6,7 @@ from setuptools import __version__ as setuptools_version
 from setuptools import find_packages
 from setuptools import setup
 
-version = '1.11.0'
+version = '1.12.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-sakuracloud/setup.py b/certbot-dns-sakuracloud/setup.py
index 44f1006f6..bfb3deff8 100644
--- a/certbot-dns-sakuracloud/setup.py
+++ b/certbot-dns-sakuracloud/setup.py
@@ -6,7 +6,7 @@ from setuptools import __version__ as setuptools_version
 from setuptools import find_packages
 from setuptools import setup
 
-version = '1.11.0'
+version = '1.12.0.dev0'
 
 # Please update tox.ini when modifying dependency version requirements
 install_requires = [
diff --git a/certbot-nginx/setup.py b/certbot-nginx/setup.py
index 5b9dfa41a..6e0bd8a96 100644
--- a/certbot-nginx/setup.py
+++ b/certbot-nginx/setup.py
@@ -5,7 +5,7 @@ from setuptools import __version__ as setuptools_version
 from setuptools import find_packages
 from setuptools import setup
 
-version = '1.11.0'
+version = '1.12.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot/certbot/__init__.py b/certbot/certbot/__init__.py
index 2bc703355..b66197efb 100644
--- a/certbot/certbot/__init__.py
+++ b/certbot/certbot/__init__.py
@@ -3,7 +3,7 @@ import warnings
 import sys
 
 # version number like 1.2.3a0, must have at least 2 parts, like 1.2
-__version__ = '1.11.0'
+__version__ = '1.12.0.dev0'
 
 if sys.version_info[0] == 2:
     warnings.warn(
diff --git a/letsencrypt-auto-source/letsencrypt-auto b/letsencrypt-auto-source/letsencrypt-auto
index e8012439a..4ff1ddae9 100755
--- a/letsencrypt-auto-source/letsencrypt-auto
+++ b/letsencrypt-auto-source/letsencrypt-auto
@@ -31,7 +31,7 @@ if [ -z "$VENV_PATH" ]; then
 fi
 VENV_BIN="$VENV_PATH/bin"
 BOOTSTRAP_VERSION_PATH="$VENV_PATH/certbot-auto-bootstrap-version.txt"
-LE_AUTO_VERSION="1.11.0"
+LE_AUTO_VERSION="1.12.0.dev0"
 BASENAME=$(basename $0)
 USAGE="Usage: $BASENAME [OPTIONS]
 A self-updating wrapper script for the Certbot ACME client. When run, updates