diff --git a/Src/LiquidProjections.Owin/packages.config b/Src/LiquidProjections.Owin/packages.config
index 037a9ee..b6ed10b 100644
--- a/Src/LiquidProjections.Owin/packages.config
+++ b/Src/LiquidProjections.Owin/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="AsyncUsageAnalyzers" version="1.0.0-alpha003" targetFramework="net452" developmentDependency="true" />
-  <package id="Microsoft.Owin" version="3.1.0" targetFramework="net452" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net452" />
   <package id="Nancy" version="2.0.0-clinteastwood" targetFramework="net452" />
   <package id="Nancy.Linker" version="0.3.1" targetFramework="net452" />
   <package id="Nancy.Metadata.Modules" version="2.0.0-barneyrubble" targetFramework="net452" />