diff --git a/tests/unit-test/Sitecore.Glimpse.Core.Test/packages.config b/tests/unit-test/Sitecore.Glimpse.Core.Test/packages.config
index 301a54c..0d7e694 100644
--- a/tests/unit-test/Sitecore.Glimpse.Core.Test/packages.config
+++ b/tests/unit-test/Sitecore.Glimpse.Core.Test/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="AutoFixture" version="3.22.0" targetFramework="net45" />
+  <package id="AutoFixture" version="4.17.0" targetFramework="net45" />
   <package id="AutoFixture.Xunit" version="3.22.0" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebApi.Client" version="5.1.1" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebApi.Core" version="5.1.1" targetFramework="net45" />