diff --git a/HISTORY.rst b/HISTORY.rst
index 1a29369c..3e08fb97 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -3,10 +3,10 @@
 History
 -------
 
-v0.18.4 (unreleased)
+v0.18.4 (2019-12-19)
 ....................
 * Add ``py.typed`` file to tell mypy the package has type hints, #163
-* Added the SSL option for RedisSettings dataclass
+* Added ``ssl`` option to ``RedisSettings``, #165
 
 v0.18.3 (2019-11-13)
 ....................
diff --git a/arq/version.py b/arq/version.py
index d618f37b..28cfd929 100644
--- a/arq/version.py
+++ b/arq/version.py
@@ -2,4 +2,4 @@
 
 __all__ = ['VERSION']
 
-VERSION = StrictVersion('0.18.3')
+VERSION = StrictVersion('0.18.4')