diff --git a/docs/changelog.rst b/docs/changelog.rst
index b43036d..4f5157b 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -6,6 +6,14 @@ Changelog
 `Unreleased`_
 -------------
 
+`0.18.2`_ - 2021-06-03
+----------------------
+
+Added
+~~~~~
+
+- Support subject search on outbound messages.
+
 `0.18.1`_ - 2021-05-13
 ----------------------
 
@@ -432,7 +440,8 @@ Fixed
 
 - Initial release.
 
-.. _Unreleased: https://github.com/Stranger6667/postmarker/compare/0.18.1...HEAD
+.. _Unreleased: https://github.com/Stranger6667/postmarker/compare/0.18.2...HEAD
+.. _0.18.2: https://github.com/Stranger6667/postmarker/compare/0.18.1...0.18.2
 .. _0.18.1: https://github.com/Stranger6667/postmarker/compare/0.18.0...0.18.1
 .. _0.18.0: https://github.com/Stranger6667/postmarker/compare/0.17.1...0.18.0
 .. _0.17.1: https://github.com/Stranger6667/postmarker/compare/0.17.0...0.17.1
diff --git a/setup.py b/setup.py
index aa1a0fe..6806dfa 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@
 setup(
     name="postmarker",
     url="https://github.com/Stranger6667/postmarker",
-    version="0.18.1",
+    version="0.18.2",
     license="MIT",
     author="Dmitry Dygalo",
     author_email="dadygalo@gmail.com",
diff --git a/src/postmarker/__init__.py b/src/postmarker/__init__.py
index e9fa21e..b0d7306 100644
--- a/src/postmarker/__init__.py
+++ b/src/postmarker/__init__.py
@@ -1 +1 @@
-__version__ = "0.18.1"
+__version__ = "0.18.2"