diff --git a/pyproject.toml b/pyproject.toml
index 93cd3c06e9..02bb29dca1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,8 +20,8 @@ dependencies = [
   "mpi4py>3; python_version >= '3.13'",
   "mpi4py; python_version < '3.13'",
   # TODO RELEASE: use releases
-  "fenics-ufl @ git+https://github.com/FEniCS/ufl.git",
-  "firedrake-fiat @ git+https://github.com/firedrakeproject/fiat.git",
+  "fenics-ufl @ git+https://github.com/firedrakeproject/ufl.git@ksagiyam/simplify_more",
+  "firedrake-fiat @ git+https://github.com/firedrakeproject/fiat.git@ksagiyam/simplify_more",
   "h5py>3.12.1",
   "libsupermesh",
   "loopy>2024.1",