diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 094c0b2..36e0864 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -12,7 +12,6 @@ jobs:
     # build wheels for some linux
     name: Build linux ${{ matrix.python.name }} wheel on ${{ matrix.cont.name}}
     runs-on: ubuntu-latest
-    container:  ${{ matrix.cont.val }}
     strategy:
       matrix:
         python:
@@ -56,8 +55,9 @@ jobs:
             val: quay.io/pypa/manylinux2014_aarch64
           }
 
+    container: 
+      image: ${{matrix.cont.val}}
     steps:
-
       - name: Checkout sources
         uses: actions/checkout@v3 # v4 not working...
         with: