diff --git a/developer/aiab.rst b/developer/aiab.rst
index cb59fb5..a75c2b3 100644
--- a/developer/aiab.rst
+++ b/developer/aiab.rst
@@ -23,7 +23,7 @@
 
 AiaB can be run on a bare metal machine or VM.  System prerequisites:
 
-* Ubuntu 18.04 clean install
+* Ubuntu 18.04 or Ubuntu 20.04 clean install
 * Kernel 4.15 or later
 * Haswell CPU or newer
 * At least 4 CPUs and 12GB RAM
diff --git a/developer/aiabhw.rst b/developer/aiabhw.rst
index 6cdf3dc..6003240 100644
--- a/developer/aiabhw.rst
+++ b/developer/aiabhw.rst
@@ -49,7 +49,7 @@
 Perform these steps to prepare the server for the AiaB install:
 
 * Connect the server to the local network
-* Perform a clean install of Ubuntu 18.04 on the server
+* Perform a clean install of Ubuntu 18.04 or Ubuntu 20.04 on the server
 * Set up password-less sudo for the user that will install Aether-in-a-Box
 
 After the steps above have been completed, install Aether-in-a-Box as follows::