diff --git a/CHANGES.md b/CHANGES.md
index fb6e904d6..52f7eb8e1 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,4 +1,4 @@
-# 6.4.0 (Unreleased)
+# 6.4.0
 
 - Move JSON Simple API to version 1.1 (as per PEP700) `PR #1557`
 - Move to >= 3.10 project `PR #1457`
diff --git a/setup.cfg b/setup.cfg
index 41716366c..aee29db7f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -15,7 +15,7 @@ project_urls =
     Source Code = https://github.com/pypa/bandersnatch
     Change Log = https://github.com/pypa/bandersnatch/blob/master/CHANGES.md
 url = https://github.com/pypa/bandersnatch/
-version = 6.4.0.dev0
+version = 6.4.0
 
 [options]
 install_requires =
diff --git a/src/bandersnatch/__init__.py b/src/bandersnatch/__init__.py
index 1cf76365b..640268b22 100644
--- a/src/bandersnatch/__init__.py
+++ b/src/bandersnatch/__init__.py
@@ -22,7 +22,7 @@ def version_str(self) -> str:
     major=6,
     minor=4,
     micro=0,
-    releaselevel="dev0",
+    releaselevel="",
     serial=0,  # Not currently in use with Bandersnatch versioning
 )
 __version__ = __version_info__.version_str