diff --git a/wagtail/wagtailcore/__init__.py b/wagtail/wagtailcore/__init__.py
index 8817d7e65..b26f8120e 100644
--- a/wagtail/wagtailcore/__init__.py
+++ b/wagtail/wagtailcore/__init__.py
@@ -1,6 +1,6 @@
-__version__ = '1.5.2'
+__version__ = '1.5.3'
 # Required for npm package for frontend
-__semver__ = '1.5.2'
+__semver__ = '1.5.3'
 default_app_config = 'wagtail.wagtailcore.apps.WagtailCoreAppConfig'