diff --git a/build/helpers.cake b/build/helpers.cake
index 167e4eb..a3c84f4 100644
--- a/build/helpers.cake
+++ b/build/helpers.cake
@@ -1,4 +1,4 @@
-#addin "nuget:?package=xunit.assert&version=2.4.1"
+#addin "nuget:?package=xunit.assert&version=2.9.3"
 #load "records.cake"
 
 // Usings