diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 729e6efd..42303cbf 100755
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -36,7 +36,5 @@ jobs:
         shell: bash
         run: |
             set -ex
-            mkdir -p ../_newstack
-            stack upgrade --force-download --local-bin-path ../_newstack
-            ../_newstack/stack --version
-            ../_newstack/stack test --fast --no-terminal --stack-yaml=${{ matrix.stack-yaml }} --resolver=${{ matrix.resolver }}
+            stack --version
+            stack test --fast --no-terminal --stack-yaml=${{ matrix.stack-yaml }} --resolver=${{ matrix.resolver }}