diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 91ac3833fd..a69cd51f1a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -44,7 +44,7 @@ jobs:
       - name: Build Firedrake
         run: |
           cd ..
-          ./firedrake/scripts/firedrake-install $COMPLEX --venv-name build --tinyasm --disable-ssh --minimal-petsc --slepc --documentation-dependencies --install thetis --install gusto --install icepack --install irksome --install femlium --no-package-manager|| (cat firedrake-install.log && /bin/false)
+          ./firedrake/scripts/firedrake-install $COMPLEX --venv-name build --tinyasm --disable-ssh --minimal-petsc --slepc --documentation-dependencies --install thetis --install gusto --install icepack --install irksome --install femlium --no-package-manager --package-branch tsfc ksagiyam/tsfc_refactor_1|| (cat firedrake-install.log && /bin/false)
       - name: Install test dependencies
         run: |
           . ../build/bin/activate
diff --git a/firedrake/mg/kernels.py b/firedrake/mg/kernels.py
index 89d46aadaa..398d5a1017 100644
--- a/firedrake/mg/kernels.py
+++ b/firedrake/mg/kernels.py
@@ -23,7 +23,8 @@
 
 from tsfc.coffee import generate as generate_coffee
 from tsfc import fem, ufl_utils, spectral
-from tsfc.driver import lower_integral_type
+from tsfc.driver import TSFCIntegralDataInfo
+from tsfc.kernel_interface.common import lower_integral_type
 from tsfc.parameters import default_parameters
 from tsfc.finatinterface import create_element
 from finat.quadrature import make_quadrature
@@ -548,11 +549,19 @@ def dg_injection_kernel(Vf, Vc, ncell):
 
     Vce = create_element(Vc.ufl_element())
 
-    coarse_builder = firedrake_interface.KernelBuilder("cell", "otherwise", 0, ScalarType_c)
+    info = TSFCIntegralDataInfo(domain=Vc.mesh(),
+                                integral_type="cell",
+                                subdomain_id="otherwise",
+                                domain_number=0,
+                                arguments=(ufl.TestFunction(Vc), ),
+                                coefficients=(),
+                                coefficient_numbers=())
+
+    coarse_builder = firedrake_interface.KernelBuilder(info, parameters["scalar_type"])
     coarse_builder.set_coordinates(Vc.mesh())
-    argument_multiindices = (Vce.get_indices(), )
+    argument_multiindices = coarse_builder.argument_multiindices
     argument_multiindex, = argument_multiindices
-    return_variable, = coarse_builder.set_arguments((ufl.TestFunction(Vc), ), argument_multiindices)
+    return_variable, = coarse_builder.return_variables
 
     integration_dim, entity_ids = lower_integral_type(Vce.cell, "cell")
     # Midpoint quadrature for jacobian on coarse cell.