diff --git a/.gitlab/tests/shared_flux_clusters.yml b/.gitlab/tests/shared_flux_clusters.yml
index bae567185..e07ab97f2 100644
--- a/.gitlab/tests/shared_flux_clusters.yml
+++ b/.gitlab/tests/shared_flux_clusters.yml
@@ -88,6 +88,7 @@ run_tests_flux_tuolumne:
         ARCHCONFIG: llnl-elcapitan
         BENCHMARK:
           - amg2023
+          - branson
           - kripke
           - laghos
           - lammps
diff --git a/.gitlab/tests/shared_slurm_clusters.yml b/.gitlab/tests/shared_slurm_clusters.yml
index cb810c3bc..5934fcd2b 100644
--- a/.gitlab/tests/shared_slurm_clusters.yml
+++ b/.gitlab/tests/shared_slurm_clusters.yml
@@ -94,7 +94,7 @@ run_tests_slurm_dane:
         VARIANT: [+openmp, '']
       - HOST: dane
         ARCHCONFIG: llnl-cluster
-        BENCHMARK: [laghos, lammps, raja-perf, remhos, phloem]
+        BENCHMARK: [branson, laghos, lammps, raja-perf, remhos, phloem]
       # Strong scaling runs for "benchpark analyze" test
       - HOST: dane
         ARCHCONFIG: llnl-cluster
diff --git a/experiments/branson/experiment.py b/experiments/branson/experiment.py
index 88c56c3a9..d3ff2bb67 100644
--- a/experiments/branson/experiment.py
+++ b/experiments/branson/experiment.py
@@ -94,6 +94,8 @@ def compute_applications_section(self):
                 photons = 800000000
             self.add_experiment_variable("num_particles", photons, True)
         self.add_experiment_variable("resource_count", 4, False)
+        if self.spec.satisfies("+cuda") or self.spec.satisfies("+rocm"):
+            self.add_experiment_variable("pool", 64, False)
 
         self.register_scaling_config(
             {
@@ -141,9 +143,13 @@ def compute_applications_section(self):
     def compute_package_section(self):
         # get package version
         app_version = self.spec.variants["version"][0]
+        if self.spec.satisfies("+cuda") or self.spec.satisfies("+rocm"):
+            umpire = "+umpire"
+        else:
+            umpire = "~umpire"
         self.add_package_spec(
             self.name,
             [
-                f"branson@{app_version} n_groups={self.spec.variants['n_groups'][0]} ",
+                f"branson@{app_version}{umpire} n_groups={self.spec.variants['n_groups'][0]} ",
             ],
         )
diff --git a/repos/ramble_applications/branson/application.py b/repos/ramble_applications/branson/application.py
index 8cb12db6a..0439e95ca 100644
--- a/repos/ramble_applications/branson/application.py
+++ b/repos/ramble_applications/branson/application.py
@@ -29,6 +29,8 @@ class Branson(ExecutableApplication):
                'grep -q "<particle_storage>" {experiment_run_dir}/{input_file} || sed -i "/<\/common>/ i \  <particle_storage>{layout}<\/particle_storage>" {experiment_run_dir}/{input_file}',
                'sed -i "s|<particle_algorithm>.*</particle_algorithm>|<particle_algorithm>{algorithm}</particle_algorithm>|g" {experiment_run_dir}/{input_file}',
                'grep -q "<particle_algorithm>" {experiment_run_dir}/{input_file} || sed -i "/<\/common>/ i \  <particle_algorithm>{algorithm}<\/particle_algorithm>" {experiment_run_dir}/{input_file}',
+               'sed -i "s|<umpire_device_pool_size>.*</umpire_device_pool_size>|<umpire_device_pool_size>{pool}</umpire_device_pool_size>|g" {experiment_run_dir}/{input_file}',
+               'grep -q "<umpire_device_pool_size>" {experiment_run_dir}/{input_file} || sed -i "/<\/common>/ i \  <umpire_device_pool_size>{pool}<\/umpire_device_pool_size>" {experiment_run_dir}/{input_file}',
            ])
 
     executable('p', '{branson}/bin/BRANSON {experiment_run_dir}/{input_file}', use_mpi=True)
@@ -59,6 +61,10 @@ class Branson(ExecutableApplication):
     	description='particle transport algorithm (EVENT|HISTORY)',
       	workloads=['branson'])
 
+    workload_variable('pool', default='4',
+        description='Device pool size in GB',
+        workloads=['branson'])
+
     figure_of_merit('Photons per Second',
                     log_file='{experiment_run_dir}/{experiment_name}.out',
                     fom_regex=r'Photons Per Second \(FOM\):\s+(?P<fom>[0-9]+\.[0-9]*([0-9]*)?e\+[0-9]*)',
diff --git a/repos/spack_repo/benchpark/packages/branson/package.py b/repos/spack_repo/benchpark/packages/branson/package.py
index 5cdd78620..eddb1bd3a 100644
--- a/repos/spack_repo/benchpark/packages/branson/package.py
+++ b/repos/spack_repo/benchpark/packages/branson/package.py
@@ -15,7 +15,7 @@ class Branson(CMakePackage, CudaPackage, ROCmPackage):
     methods for domain decomposition."""
 
     homepage = "https://github.com/lanl/branson"
-    git = "https://github.com/lanl/branson.git"
+    git = "https://github.com/LANL/branson.git"
 
     tags = ["proxy-app"]
 
@@ -38,6 +38,18 @@ class Branson(CMakePackage, CudaPackage, ROCmPackage):
     variant("openmp", default=False, description="Enable OpenMP support")
     variant("caliper", default=False, description="Enable Caliper monitoring")
     variant("n_groups", default=30, values=int, description="Number of groups")
+    variant("umpire", default=False, description="Use umpire memory pool")
+
+    with when("+umpire"):
+        depends_on("umpire+cuda", when="+cuda")
+        for sm_ in CudaPackage.cuda_arch_values:
+            depends_on("umpire cuda_arch={0}".format(sm_), when="cuda_arch={0}".format(sm_))
+
+        depends_on("umpire+rocm", when="+rocm")
+        for arch in ROCmPackage.amdgpu_targets:
+            depends_on("umpire amdgpu_target={0}".format(arch), when="amdgpu_target={0}".format(arch))
+
+        conflicts("~cuda~rocm")
 
     depends_on("mpi@2:")
 
@@ -99,6 +111,10 @@ def cmake_args(self):
             args.append("-DUSE_HIP=OFF")
             args.append("-DUSE_GPU=OFF")
 
+        if '+umpire' in spec:
+            args.append("-DUSE_UMPIRE=ON")
+            args.append(f"-Dumpire_DIR={spec['umpire'].prefix}")
+
         args.append(self.define_from_variant("USE_OPENMP", "openmp"))
 
         if '+caliper' in spec: