diff --git a/RestSharpFinancialData/packages.config b/RestSharpFinancialData/packages.config
index ca656f1..7ece1d1 100644
--- a/RestSharpFinancialData/packages.config
+++ b/RestSharpFinancialData/packages.config
@@ -51,7 +51,7 @@
   <package id="System.Security.Cryptography.X509Certificates" version="4.3.0" targetFramework="net472" />
   <package id="System.Text.Encoding" version="4.3.0" targetFramework="net472" />
   <package id="System.Text.Encoding.Extensions" version="4.3.0" targetFramework="net472" />
-  <package id="System.Text.RegularExpressions" version="4.3.0" targetFramework="net472" />
+  <package id="System.Text.RegularExpressions" version="4.3.1" targetFramework="net472" />
   <package id="System.Threading" version="4.3.0" targetFramework="net472" />
   <package id="System.Threading.Tasks" version="4.3.0" targetFramework="net472" />
   <package id="System.Threading.Timer" version="4.3.0" targetFramework="net472" />