diff --git a/wagtail/__init__.py b/wagtail/__init__.py
index 97c13186f5..b0148beeef 100644
--- a/wagtail/__init__.py
+++ b/wagtail/__init__.py
@@ -4,7 +4,7 @@ from wagtail.utils.version import get_semver_version, get_version
 
 # major.minor.patch.release.number
 # release must be one of alpha, beta, rc, or final
-VERSION = (1, 12, 0, 'alpha', 0)
+VERSION = (1, 13, 0, 'alpha', 0)
 
 __version__ = get_version(VERSION)
 
diff --git a/wagtail/project_template/requirements.txt b/wagtail/project_template/requirements.txt
index f911198a5c..510f85f8f9 100644
--- a/wagtail/project_template/requirements.txt
+++ b/wagtail/project_template/requirements.txt
@@ -1,2 +1,2 @@
 Django>=1.11,<1.12
-wagtail==1.12a0
+wagtail==1.13a0