diff --git a/README.txt b/README.txt
index 391a6599d1..72702a231d 100644
--- a/README.txt
+++ b/README.txt
@@ -37,7 +37,7 @@ Now see the "Configuring OpenSim" section
 === Running OpenSim on Linux ===
 ================================
 
-You will need Mono >= 2.4.2 to run OpenSim.  On some Linux distributions you
+You will need Mono >= 2.4.3 to run OpenSim.  On some Linux distributions you
 may need to install additional packages.  See http://opensimulator.org/wiki/Dependencies
 for more information.