diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index edaa0a8..8586d0c 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -13,9 +13,12 @@ jobs:
           cache: "pip"
       - name: "installation"
         run: |
+          pip cache purge
           pip install --upgrade pip
           pip install -r requirements.txt -r requirements.dev.txt
-          pip install wheel setuptools flash-attn==2.5.8 --no-build-isolation
+          pip install -U wheel
+          pip uninstall -y flash-attn
+          pip install flash-attn==2.5.8
       - name: "black"
         run: black . --check --diff --color
       - name: "isort"