diff --git a/SmartVocabulary/packages.config b/SmartVocabulary/packages.config
index c3e5bb3..5fe8763 100644
--- a/SmartVocabulary/packages.config
+++ b/SmartVocabulary/packages.config
@@ -56,7 +56,7 @@
   <package id="System.Security.Cryptography.X509Certificates" version="4.3.0" targetFramework="net48" />
   <package id="System.Text.Encoding" version="4.3.0" targetFramework="net48" />
   <package id="System.Text.Encoding.Extensions" version="4.3.0" targetFramework="net48" />
-  <package id="System.Text.RegularExpressions" version="4.3.0" targetFramework="net48" />
+  <package id="System.Text.RegularExpressions" version="4.3.1" targetFramework="net48" />
   <package id="System.Threading" version="4.3.0" targetFramework="net48" />
   <package id="System.Threading.Tasks" version="4.3.0" targetFramework="net48" />
   <package id="System.Threading.Timer" version="4.3.0" targetFramework="net48" />