diff --git a/NEWS b/NEWS
index cb9ea938..7bbc24d6 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-1.6.4.dev0
+1.6.4
  * #546, #382: Keep your repository passphrases and database passwords outside of borgmatic's
    configuration file with environment variable interpolation. See the documentation for more
    information: https://torsion.org/borgmatic/docs/how-to/provide-your-passwords/
diff --git a/setup.py b/setup.py
index 95fb605b..dc585bac 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 from setuptools import find_packages, setup
 
-VERSION = '1.6.4.dev0'
+VERSION = '1.6.4'
 
 
 setup(