diff --git a/ApprovalBot/packages.config b/ApprovalBot/packages.config
index 4aef106..b313c78 100644
--- a/ApprovalBot/packages.config
+++ b/ApprovalBot/packages.config
@@ -27,7 +27,7 @@
   <package id="Microsoft.IdentityModel.Protocols.OpenIdConnect" version="5.2.1" targetFramework="net46" />
   <package id="Microsoft.IdentityModel.Tokens" version="5.2.1" targetFramework="net46" />
   <package id="Microsoft.O365.ActionableMessages.Utilities" version="2.0.1" targetFramework="net46" />
-  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net46" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net46" />
   <package id="Microsoft.Owin.Security" version="4.0.0" targetFramework="net46" />
   <package id="Microsoft.Owin.Security.OpenIdConnect" version="4.0.0" targetFramework="net46" />
   <package id="Microsoft.Rest.ClientRuntime" version="2.3.8" targetFramework="net46" />