diff --git a/.appveyor.yml b/.appveyor.yml
index 78fa4db10..14899f55e 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -39,11 +39,10 @@ install:
 - curl -skL -ostack.zip http://www.stackage.org/stack/windows-x86_64
 - 7z x stack.zip stack.exe
 # temporary, troubleshooting https://github.com/commercialhaskell/stack/issues/4125
-# - move stack.exe stack-release.exe
-# - stack-release --version
-# - set PATH=C:\Users\appveyor\AppData\Roaming\local\bin;%PATH%
-# - echo %PATH%
-# - stack-release upgrade --git
+- move stack.exe stack-release.exe
+- stack-release --version
+- set PATH=C:\Users\appveyor\AppData\Roaming\local\bin;%PATH%
+- stack-release upgrade --git--branch 4125-cabal-style-build-tools
 - copy C:\Users\appveyor\AppData\Roaming\local\bin\stack.exe .
 - stack --version