diff --git a/.github/workflows/update.yaml b/.github/workflows/update.yaml
index e487f13675..226e6da3b8 100644
--- a/.github/workflows/update.yaml
+++ b/.github/workflows/update.yaml
@@ -25,8 +25,10 @@ jobs:
           # https://help.github.com/en/actions/automating-your-workflow-with-github-actions/events-that-trigger-workflows#about-workflow-events
           SUPERFLORE_GITHUB_TOKEN: ${{ secrets.SUPERFLORE_GITHUB_TOKEN }}
           ROS_OS_OVERRIDE: nixos
+          ROSDEP_SOURCE_PATH: rosdep-sources
         run: |
-          sudo -E rosdep init
+          mkdir -p "$ROSDEP_SOURCE_PATH"
+          curl https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/sources.list.d/20-default.list -o "$ROSDEP_SOURCE_PATH/20-default.list"
           rosdep update
           git config --local user.email "superflore@github.com"
           git config --local user.name "Superflore"