diff --git a/BloombergTrader.Client/packages.config b/BloombergTrader.Client/packages.config
index 02bedff..04a40b4 100644
--- a/BloombergTrader.Client/packages.config
+++ b/BloombergTrader.Client/packages.config
@@ -30,6 +30,6 @@
   <package id="System.Resources.ResourceManager" version="4.3.0" targetFramework="portable45-net45+win8" />
   <package id="System.Runtime" version="4.3.0" targetFramework="portable45-net45+win8" />
   <package id="System.Runtime.Extensions" version="4.3.0" targetFramework="portable45-net45+win8" />
-  <package id="System.Text.RegularExpressions" version="4.3.0" targetFramework="portable45-net45+win8" />
+  <package id="System.Text.RegularExpressions" version="4.3.1" targetFramework="portable45-net45+win8" />
   <package id="System.Threading" version="4.3.0" targetFramework="portable45-net45+win8" />
 </packages>
\ No newline at end of file