diff --git a/demo/AndroidDemo/App1/App1/packages.config b/demo/AndroidDemo/App1/App1/packages.config
index 1ba00b2..17263e7 100644
--- a/demo/AndroidDemo/App1/App1/packages.config
+++ b/demo/AndroidDemo/App1/App1/packages.config
@@ -52,7 +52,7 @@
   <package id="System.Text.Encoding" version="4.3.0" targetFramework="monoandroid71" />
   <package id="System.Text.Encoding.Extensions" version="4.3.0" targetFramework="monoandroid71" />
   <package id="System.Text.Encodings.Web" version="4.3.1" targetFramework="monoandroid71" />
-  <package id="System.Text.RegularExpressions" version="4.3.0" targetFramework="monoandroid71" />
+  <package id="System.Text.RegularExpressions" version="4.3.1" targetFramework="monoandroid71" />
   <package id="System.Threading" version="4.3.0" targetFramework="monoandroid71" />
   <package id="System.Threading.Tasks" version="4.3.0" targetFramework="monoandroid71" />
   <package id="System.Threading.Timer" version="4.3.0" targetFramework="monoandroid71" />