diff --git a/Readme.txt b/Readme.txt
index 54943494b3..e745741ece 100644
--- a/Readme.txt
+++ b/Readme.txt
@@ -1,4 +1,8 @@
 OpenSimLite (or OpenSim(Standalone))
 version 0.2.*
 
+Requires:
+Berkeley DB (embedded database) : http://www.oracle.com/database/berkeley-db/index.html
+.NET Wrapper for the Berkeley database : http://sourceforge.net/projects/libdb-dotnet
+
 Currently a non-functioning stub version. 
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