diff --git a/K12/BootstrapLayoutTool/packages.config b/K12/BootstrapLayoutTool/packages.config
index d668a23..8af2477 100644
--- a/K12/BootstrapLayoutTool/packages.config
+++ b/K12/BootstrapLayoutTool/packages.config
@@ -34,7 +34,7 @@
   <package id="Microsoft.Data.Edm" version="5.6.4" targetFramework="net461" />
   <package id="Microsoft.Data.OData" version="5.6.4" targetFramework="net461" />
   <package id="Microsoft.Data.Services.Client" version="5.6.4" targetFramework="net461" />
-  <package id="Microsoft.Owin" version="3.1.0" targetFramework="net461" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net461" />
   <package id="Microsoft.Owin.Security" version="3.1.0" targetFramework="net461" />
   <package id="Microsoft.Owin.Security.Cookies" version="3.1.0" targetFramework="net461" />
   <package id="Microsoft.Owin.Security.OAuth" version="3.1.0" targetFramework="net461" />