diff --git a/dev-requirements.txt b/dev-requirements.txt
index 987c049..1efa0fa 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,5 +1,5 @@
 # lib deps
-slurmutils ~= 0.8.0
+slurmutils ~= 0.9.0
 python-dotenv ~= 1.0.1
 pyyaml >= 6.0.2
 distro ~=1.9.0
diff --git a/tests/unit/test_slurm_ops.py b/tests/unit/test_slurm_ops.py
index 9994232..f5b4912 100644
--- a/tests/unit/test_slurm_ops.py
+++ b/tests/unit/test_slurm_ops.py
@@ -165,6 +165,27 @@
 PartitionName=DEFAULT MaxTime=30 MaxNodes=10 State=UP
 PartitionName=batch Nodes=juju-c9fc6f-2,juju-c9fc6f-3,juju-c9fc6f-4,juju-c9fc6f-5 MinNodes=4 MaxTime=120 AllowGroups=admin
 """
+EXAMPLE_ACCT_GATHER_CONFIG = """#
+# `acct_gather.conf` file generated at 2024-09-18 15:10:44.652017 by slurmutils.
+#
+EnergyIPMIFrequency=1
+EnergyIPMICalcAdjustment=yes
+EnergyIPMIPowerSensors=Node=16,19;Socket1=19,26;KNC=16,19
+EnergyIPMIUsername=testipmiusername
+EnergyIPMIPassword=testipmipassword
+EnergyIPMITimeout=10
+ProfileHDF5Dir=/mydir
+ProfileHDF5Default=ALL
+ProfileInfluxDBDatabase=acct_gather_db
+ProfileInfluxDBDefault=ALL
+ProfileInfluxDBHost=testhostname
+ProfileInfluxDBPass=testpassword
+ProfileInfluxDBRTPolicy=testpolicy
+ProfileInfluxDBUser=testuser
+ProfileInfluxDBTimeout=10
+InfinibandOFEDPort=0
+SysfsInterfaces=enp0s1
+"""
 EXAMPLE_CGROUP_CONFIG = """#
 # `cgroup.conf` file generated at 2024-09-18 15:10:44.652017 by slurmutils.
 #
@@ -625,6 +646,45 @@ def test_config(self, *_) -> None:
         self.assertEqual(f_info.st_gid, FAKE_GROUP_GID)
 
 
+class TestAcctGatherConfig(TestCase):
+    """Test the `slurmctld` service acct_gather configuration manager."""
+
+    def setUp(self) -> None:
+        self.setUpPyfakefs()
+        self.manager = SlurmctldManager(snap=True)
+        self.fs.create_file(
+            "/var/snap/slurm/common/etc/slurm/acct_gather.conf",
+            contents=EXAMPLE_ACCT_GATHER_CONFIG,
+        )
+
+    def test_config(self) -> None:
+        """Test that manager can manipulate cgroup.conf configuration file."""
+        # Fake user and group that owns `cgroup.conf`.
+        self.manager.acct_gather._user = FAKE_USER_NAME
+        self.manager.acct_gather._group = FAKE_GROUP_NAME
+
+        with self.manager.acct_gather.edit() as config:
+            self.assertEqual(config.energy_ipmi_frequency, "1")
+            self.assertEqual(config.energy_ipmi_calc_adjustment, "yes")
+            self.assertListEqual(config.sysfs_interfaces, ["enp0s1"])
+
+            config.energy_ipmi_frequency = "2"
+            config.energy_ipmi_calc_adjustment = "no"
+            config.sysfs_interfaces = ["enp0s2"]
+
+        # Exit the context to save changes to the file
+        config = self.manager.acct_gather.load()
+        self.assertEqual(config.energy_ipmi_frequency, "2")
+        self.assertEqual(config.energy_ipmi_calc_adjustment, "no")
+        self.assertListEqual(config.sysfs_interfaces, ["enp0s2"])
+
+        # Ensure that permissions on file are correct.
+        f_info = Path("/var/snap/slurm/common/etc/slurm/acct_gather.conf").stat()
+        self.assertEqual(stat.filemode(f_info.st_mode), "-rw-------")
+        self.assertEqual(f_info.st_uid, FAKE_USER_UID)
+        self.assertEqual(f_info.st_gid, FAKE_GROUP_GID)
+
+
 @patch("charms.hpc_libs.v0.slurm_ops.subprocess.run")
 class TestCgroupConfig(TestCase):
     """Test the Slurmctld service cgroup config manager."""