diff --git a/Masticore.ActiveDirectory/packages.config b/Masticore.ActiveDirectory/packages.config
index 92f55cc..86ff87f 100644
--- a/Masticore.ActiveDirectory/packages.config
+++ b/Masticore.ActiveDirectory/packages.config
@@ -27,5 +27,5 @@
   <package id="Owin" version="1.0" targetFramework="net461" />
   <package id="System.IdentityModel.Tokens.Jwt" version="5.6.0" targetFramework="net461" />
   <package id="System.Runtime.InteropServices.RuntimeInformation" version="4.3.0" targetFramework="net461" />
-  <package id="System.Text.Encodings.Web" version="4.5.0" targetFramework="net461" />
+  <package id="System.Text.Encodings.Web" version="4.5.1" targetFramework="net461" />
 </packages>
\ No newline at end of file