diff --git a/build.cake b/build.cake
index 0c6b1e5..9290a54 100644
--- a/build.cake
+++ b/build.cake
@@ -1,5 +1,5 @@
 #addin nuget:?package=Cake.DocFx&version=1.0.0
-#tool dotnet:?package=docfx&version=2.70.3
+#tool dotnet:?package=docfx&version=2.75.3
 
 // this is the upcoming version, for prereleases
 var version = Argument("version", "6.3.1");