diff --git a/Tutorial.Android/packages.config b/Tutorial.Android/packages.config
index 07d99f6..110b678 100644
--- a/Tutorial.Android/packages.config
+++ b/Tutorial.Android/packages.config
@@ -105,7 +105,7 @@
   <package id="System.Security.SecureString" version="4.3.0" targetFramework="monoandroid71" />
   <package id="System.Text.Encoding" version="4.3.0" targetFramework="monoandroid60" />
   <package id="System.Text.Encoding.Extensions" version="4.3.0" targetFramework="monoandroid60" />
-  <package id="System.Text.RegularExpressions" version="4.3.0" targetFramework="monoandroid60" />
+  <package id="System.Text.RegularExpressions" version="4.3.1" targetFramework="monoandroid60" />
   <package id="System.Threading" version="4.3.0" targetFramework="monoandroid60" />
   <package id="System.Threading.Tasks" version="4.3.0" targetFramework="monoandroid60" />
   <package id="System.Threading.Timer" version="4.3.0" targetFramework="monoandroid60" />