diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 0f7e89067..498982253 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -4,7 +4,7 @@ Changelog
 Versions are year-based with a strict backward-compatibility policy.
 The third digit is only for regressions.
 
-17.4.0 (UNRELEASED)
+17.4.0 (2017-11-21)
 -------------------
 
 
diff --git a/src/OpenSSL/version.py b/src/OpenSSL/version.py
index 9a2f9d8f7..4ac294537 100644
--- a/src/OpenSSL/version.py
+++ b/src/OpenSSL/version.py
@@ -11,7 +11,7 @@
     "__title__", "__uri__", "__version__",
 ]
 
-__version__ = "17.4.0.dev0"
+__version__ = "17.4.0"
 
 __title__ = "pyOpenSSL"
 __uri__ = "https://pyopenssl.org/"