diff --git a/tools/Ntreev.Crema.Comparer/packages.config b/tools/Ntreev.Crema.Comparer/packages.config
index df26fd93f..dc47c0ef8 100644
--- a/tools/Ntreev.Crema.Comparer/packages.config
+++ b/tools/Ntreev.Crema.Comparer/packages.config
@@ -33,7 +33,7 @@
   <package id="System.Runtime.Numerics" version="4.3.0" targetFramework="net45" />
   <package id="System.Text.Encoding" version="4.3.0" targetFramework="net45" />
   <package id="System.Text.Encoding.Extensions" version="4.3.0" targetFramework="net45" />
-  <package id="System.Text.RegularExpressions" version="4.3.0" targetFramework="net45" />
+  <package id="System.Text.RegularExpressions" version="4.3.1" targetFramework="net45" />
   <package id="System.Threading" version="4.3.0" targetFramework="net45" />
   <package id="System.Threading.Tasks" version="4.3.0" targetFramework="net45" />
   <package id="System.Xml.ReaderWriter" version="4.3.0" targetFramework="net45" />