diff --git a/Bitmex.NET.IntegrationTests/packages.config b/Bitmex.NET.IntegrationTests/packages.config
index a4f6ee2..e190e63 100644
--- a/Bitmex.NET.IntegrationTests/packages.config
+++ b/Bitmex.NET.IntegrationTests/packages.config
@@ -22,7 +22,7 @@
   <package id="System.Security.Cryptography.Encoding" version="4.3.0" targetFramework="net462" />
   <package id="System.Security.Cryptography.Primitives" version="4.3.0" targetFramework="net462" />
   <package id="System.Security.Cryptography.X509Certificates" version="4.3.0" targetFramework="net462" />
-  <package id="System.Text.RegularExpressions" version="4.3.0" targetFramework="net462" />
+  <package id="System.Text.RegularExpressions" version="4.3.1" targetFramework="net462" />
   <package id="System.Threading" version="4.3.0" targetFramework="net462" />
   <package id="System.Threading.Tasks.Extensions" version="4.3.0" targetFramework="net462" />
   <package id="System.Threading.Timer" version="4.3.0" targetFramework="net462" />