diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index ea0435ce..148683bc 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 1.8.3
+current_version = 1.8.4
 commit = True
 tag = True
 message = Release {new_version}
diff --git a/HISTORY.rst b/HISTORY.rst
index 4b2c163f..42858044 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -1,5 +1,7 @@
 Changelog
 ---------
+1.8.4 (2017-04-25)
+~~~~~~~~~~~~~~~~~~~
 
 - Adds support for WabstCExport proporz elections.
   [msom]
diff --git a/onegov/election_day/theme/election_day_theme.py b/onegov/election_day/theme/election_day_theme.py
index 571ca0d4..c5db54c9 100644
--- a/onegov/election_day/theme/election_day_theme.py
+++ b/onegov/election_day/theme/election_day_theme.py
@@ -7,7 +7,7 @@ class ElectionDayTheme(BaseTheme):
 
     # don't touch this number, it's incremented using bumpversion, so every
     # release will automatically trigger a rebuild of the theme
-    version = '1.8.3'
+    version = '1.8.4'
 
     @property
     def post_imports(self):
diff --git a/setup.py b/setup.py
index 1e89c74e..7e3b632b 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 description = (
     'OneGov ballot results website used on election day.'
 )
-version = '1.8.3'
+version = '1.8.4'
 
 
 def get_long_description():