diff --git a/CHANGELOG b/CHANGELOG
index 7161a6d..f009256 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -6,7 +6,8 @@ This file keeps track of all notable changes to the Slurm Charms.
 
 Unreleased
 ----------
-- updated slurm-ops-manager to version 0.8.17
+- added actions to set node weight and gres
+- updated slurm-ops-manager to version 0.8.18
 
 
 1.1.3 - 2023-12-11
diff --git a/charm-slurmctld/requirements.txt b/charm-slurmctld/requirements.txt
index f366867..e1d60f3 100644
--- a/charm-slurmctld/requirements.txt
+++ b/charm-slurmctld/requirements.txt
@@ -3,4 +3,4 @@ influxdb==5.3.1
 urllib3==1.26.9
 etcd3gw==1.0.2
 jinja2==3.1.2
-git+https://github.com/omnivector-solutions/slurm-ops-manager.git@0.8.17
+git+https://github.com/omnivector-solutions/slurm-ops-manager.git@0.8.18
diff --git a/charm-slurmd/actions.yaml b/charm-slurmd/actions.yaml
index 5be9cf4..ec46891 100644
--- a/charm-slurmd/actions.yaml
+++ b/charm-slurmd/actions.yaml
@@ -10,6 +10,17 @@ set-node-inventory:
     real-memory:
       type: integer
       description: Total amount of memory of the node, in MB.
-
+set-node-weight:
+  description: Modify node weight.
+  params:
+    value:
+      type: integer
+      description: Node weight.
+set-node-gres:
+  description: Modify node GRES.
+  params:
+    value:
+      type: string
+      description: GRES setup.
 show-nhc-config:
   description: Display the currently used `nhc.conf`.
diff --git a/charm-slurmd/requirements.txt b/charm-slurmd/requirements.txt
index fa19780..0d7c1eb 100644
--- a/charm-slurmd/requirements.txt
+++ b/charm-slurmd/requirements.txt
@@ -1,4 +1,4 @@
 ops==1.3.0
 urllib3==1.26.9
 etcd3gw==1.0.2
-git+https://github.com/omnivector-solutions/slurm-ops-manager.git@0.8.17
+git+https://github.com/omnivector-solutions/slurm-ops-manager.git@0.8.18
diff --git a/charm-slurmd/src/charm.py b/charm-slurmd/src/charm.py
index 26f854c..5553a48 100755
--- a/charm-slurmd/src/charm.py
+++ b/charm-slurmd/src/charm.py
@@ -87,6 +87,8 @@ def __init__(self, *args):
             self.on.node_configured_action: self._on_node_configured_action,
             self.on.get_node_inventory_action: self._on_get_node_inventory_action,
             self.on.set_node_inventory_action: self._on_set_node_inventory_action,
+            self.on.set_node_weight_action: self._on_set_node_weight_action,
+            self.on.set_node_gres_action: self._on_set_node_gres_action,
             self.on.show_nhc_config_action: self._on_show_nhc_config,
         }
         for event, handler in event_handler_bindings.items():
@@ -422,6 +424,32 @@ def _on_set_node_inventory_action(self, event):
 
         event.set_results({"real-memory": memory})
 
+    def _on_set_node_weight_action(self, event):
+        """Overwrite the node inventory."""
+        inventory = self._slurmd.node_inventory
+
+        # update local copy of inventory
+        weight = event.params.get("value")
+        inventory["weight"] = weight
+
+        # send it to slurmctld
+        self._slurmd.node_inventory = inventory
+
+        event.set_results({"weight": weight})
+
+    def _on_set_node_gres_action(self, event):
+        """Overwrite the node inventory."""
+        inventory = self._slurmd.node_inventory
+
+        # update local copy of inventory
+        gres = event.params.get("value")
+        inventory["gres"] = gres
+
+        # send it to slurmctld
+        self._slurmd.node_inventory = inventory
+
+        event.set_results({"gres": gres})
+
     def _on_show_nhc_config(self, event):
         """Show current nhc.conf."""
         nhc_conf = self._slurm_manager.get_nhc_config()
diff --git a/charm-slurmdbd/requirements.txt b/charm-slurmdbd/requirements.txt
index fd2ddc5..08b49f8 100644
--- a/charm-slurmdbd/requirements.txt
+++ b/charm-slurmdbd/requirements.txt
@@ -1,2 +1,2 @@
 ops==1.3.0
-git+https://github.com/omnivector-solutions/slurm-ops-manager.git@0.8.17
+git+https://github.com/omnivector-solutions/slurm-ops-manager.git@0.8.18
diff --git a/charm-slurmrestd/requirements.txt b/charm-slurmrestd/requirements.txt
index fd2ddc5..08b49f8 100644
--- a/charm-slurmrestd/requirements.txt
+++ b/charm-slurmrestd/requirements.txt
@@ -1,2 +1,2 @@
 ops==1.3.0
-git+https://github.com/omnivector-solutions/slurm-ops-manager.git@0.8.17
+git+https://github.com/omnivector-solutions/slurm-ops-manager.git@0.8.18