diff --git a/windows/test/run.ps1 b/windows/test/run.ps1
index 248e3ece..901c5434 100644
--- a/windows/test/run.ps1
+++ b/windows/test/run.ps1
@@ -27,7 +27,7 @@ ExitOnNativeFailure
 install-tool dotnet 8.0.11
 
 # renovate: datasource=github-releases packageName=dotnet/docfx
-install-tool docfx v2.59.4
+install-tool docfx v2.78.2
 docfx --version
 ExitOnNativeFailure