diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 098dd52..2fc6bd8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -29,6 +29,8 @@ jobs:
   gen-awesome-video:
     if: github.ref == 'refs/heads/master'
     runs-on: ubuntu-latest
+    container:
+      image: python:3.7.12
     needs:
     - awesomebot
     - json-validate