diff --git a/.github/workflows/core.yml b/.github/workflows/core.yml
index e738561b9c..391accc852 100644
--- a/.github/workflows/core.yml
+++ b/.github/workflows/core.yml
@@ -210,6 +210,9 @@ jobs:
             --extra-index-url https://download.pytorch.org/whl/cpu \
             "$(echo ./firedrake-repo/dist/firedrake-*.tar.gz)[ci]"
 
+          : # UNDO ME
+          pip install git+https://github.com/firedrakeproject/fiat.git@connorjward/default-degree -v --no-deps --ignore-installed
+
           firedrake-clean
           pip list