diff --git a/.github/workflows/handler.list-super-token.yml b/.github/workflows/handler.list-super-token.yml
index a71e7edc46..f9265243f9 100644
--- a/.github/workflows/handler.list-super-token.yml
+++ b/.github/workflows/handler.list-super-token.yml
@@ -35,7 +35,8 @@ jobs:
 
     defaults:
       run:
-        shell: nix develop .#ci-default -c bash -xe {0}
+        # sticking to node20, otherwise truffle fails.
+        shell: nix develop .#ci-node20 -c bash -xe {0}
 
     steps:
       - uses: actions/checkout@v4