diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 0a234cf..fa2d199 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,5 +1,13 @@
 # RELEASE NOTES
 
+***********************
+# testflo version 1.4.20
+June 27, 2025
+
+- Improved functionality of the -f option [#123](https://github.com/OpenMDAO/testflo/pull/123)
+- Added a workflow to publish to PyPi when a release is made on GitHub [#122](https://github.com/OpenMDAO/testflo/pull/122)
+
+
 ***********************
 # testflo version 1.4.19
 July 29, 2024
diff --git a/testflo/__init__.py b/testflo/__init__.py
index 0d14d4c..18f3dff 100644
--- a/testflo/__init__.py
+++ b/testflo/__init__.py
@@ -1 +1 @@
-__version__ = '1.4.20.dev0'
+__version__ = '1.4.20'