diff --git a/OpaqueMail.TestClient/packages.config b/OpaqueMail.TestClient/packages.config
index 730a601..acc5493 100644
--- a/OpaqueMail.TestClient/packages.config
+++ b/OpaqueMail.TestClient/packages.config
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="BouncyCastle" version="1.8.1" targetFramework="net45" />
+  <package id="BouncyCastle" version="1.8.9" targetFramework="net45" />
 </packages>
\ No newline at end of file