diff --git a/XAM370/Exercise 5/Start/packages.config b/XAM370/Exercise 5/Start/packages.config
index 686d56c..2016d87 100644
--- a/XAM370/Exercise 5/Start/packages.config	
+++ b/XAM370/Exercise 5/Start/packages.config	
@@ -44,7 +44,7 @@
   <package id="System.Security.Cryptography.X509Certificates" version="4.3.1" targetFramework="monoandroid71" />
   <package id="System.Text.Encoding" version="4.3.0" targetFramework="monoandroid50" />
   <package id="System.Text.Encoding.Extensions" version="4.3.0" targetFramework="monoandroid50" />
-  <package id="System.Text.RegularExpressions" version="4.3.0" targetFramework="monoandroid50" />
+  <package id="System.Text.RegularExpressions" version="4.3.1" targetFramework="monoandroid50" />
   <package id="System.Threading" version="4.3.0" targetFramework="monoandroid50" />
   <package id="System.Threading.Tasks" version="4.3.0" targetFramework="monoandroid50" />
   <package id="System.Threading.Timer" version="4.3.0" targetFramework="monoandroid50" />