diff --git a/CSharpDriverDocs.shfbproj b/CSharpDriverDocs.shfbproj
index 8cc6aaa9560..75036a3e579 100644
--- a/CSharpDriverDocs.shfbproj
+++ b/CSharpDriverDocs.shfbproj
@@ -45,7 +45,7 @@
craig.wilson%4010gen.com, robert%4010gen.com sridhar%4010gen.com
CSharp driver API doc
.NET 3.5
- 1.4.2.4500
+ 1.5.0.4566