diff --git a/docker/Dockerfile b/docker/Dockerfile
index b898a96..1dbeea4 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -15,8 +15,8 @@ WORKDIR /app
 COPY settings.yaml /app
 
 # Install any needed packages specified in requirements.txt
-# Note: The requirements.txt should contain pan-os-upgrade==1.3.8
-RUN pip install --no-cache-dir pan-os-upgrade==1.3.8
+# Note: The requirements.txt should contain pan-os-upgrade==1.3.9
+RUN pip install --no-cache-dir pan-os-upgrade==1.3.9
 
 # Set the locale to avoid issues with emoji rendering
 ENV LANG C.UTF-8
diff --git a/docs/about/release-notes.md b/docs/about/release-notes.md
index 605a300..e6a04ba 100644
--- a/docs/about/release-notes.md
+++ b/docs/about/release-notes.md
@@ -2,6 +2,14 @@
 
 Welcome to the release notes for the `pan-os-upgrade` tool. This document provides a detailed record of changes, enhancements, and fixes in each version of the tool.
 
+## Version 1.3.9
+
+**Release Date:** *<20240319>*
+
+### What's New in version 1.3.9
+
+- Added support for beta releases with `-b` in their PAN-OS version names
+
 ## Version 1.3.8
 
 **Release Date:** *<20240318>*
diff --git a/pyproject.toml b/pyproject.toml
index 16b52ac..7fee20c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pan-os-upgrade"
-version = "1.3.8"
+version = "1.3.9"
 description = "Python script to automate the upgrade process of PAN-OS firewalls."
 authors = ["Calvin Remsburg <cremsburg.dev@gmail.com>"]
 documentation = "https://cdot65.github.io/pan-os-upgrade/"