diff --git a/docs/download.md b/docs/download.md
index d7ab744..6f8edfd 100644
--- a/docs/download.md
+++ b/docs/download.md
@@ -4,14 +4,18 @@
 
 Download the most recent Debian (.deb) package for your platform:
 
-- [Ubuntu or Raspberry Pi OS (64-bit)](https://github.com/rerdavies/pipedal/releases/download/v1.2.32/pipedal_1.2.32_arm64.deb) v1.2.32
+- [Raspberry Pi OS Bookworm (64-bit)](https://github.com/rerdavies/pipedal/releases/download/v1.2.33/pipedal_1.2.33_arm64.deb) v1.2.33 Beta1
+
+This release does not currently support Ubuntu 21.04, or older versions of Raspberry Pi OS. 
+
+- [Ubuntu 21.04 or Raspberry Pi OS Buster (64-bit)](https://github.com/rerdavies/pipedal/releases/download/v1.2.32/pipedal_1.1.31_arm64.deb) v1.1.31
 
 Install the package by running 
 
 ```
   sudo apt update
   cd ~/Downloads  
-  sudo apt-get install ./pipedal_1.2.32_arm64.deb
+  sudo apt-get install ./pipedal_1.2.33_arm64.deb
 ```
 
 Follow the instructions in [_Configuring PiPedal After Installation_](https://rerdavies.github.io/pipedal/Configuring.html) to complete the installation.