diff --git a/VideoAccessTokenServer/packages.config b/VideoAccessTokenServer/packages.config
old mode 100755
new mode 100644
index d89a2c5..d512096
--- a/VideoAccessTokenServer/packages.config
+++ b/VideoAccessTokenServer/packages.config
@@ -6,7 +6,7 @@
   <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="3.6.0" targetFramework="net472" />
   <package id="Microsoft.IdentityModel.JsonWebTokens" version="6.8.0" targetFramework="net472" />
   <package id="Microsoft.IdentityModel.Logging" version="6.8.0" targetFramework="net472" />
-  <package id="Microsoft.IdentityModel.Tokens" version="6.8.0" targetFramework="net472" />
+  <package id="Microsoft.IdentityModel.Tokens" version="6.12.0" targetFramework="net472" />
   <package id="Microsoft.Net.Compilers" version="3.8.0" targetFramework="net472" developmentDependency="true" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
   <package id="Newtonsoft.Json" version="12.0.3" targetFramework="net472" />