diff --git a/hosts/tsuki/services/grafana/prometheus-exporters/nginx.nix b/hosts/tsuki/services/grafana/prometheus-exporters/nginx.nix
index aceb459..51fe233 100644
--- a/hosts/tsuki/services/grafana/prometheus-exporters/nginx.nix
+++ b/hosts/tsuki/services/grafana/prometheus-exporters/nginx.nix
@@ -15,4 +15,6 @@ in {
       listenAddress = "127.0.0.1";
     };
   };
+
+  systemd.services.prometheus-nginx-exporter.serviceConfig.Slice = "system-prometheus.slice";
 }
diff --git a/hosts/tsuki/services/grafana/prometheus-exporters/node.nix b/hosts/tsuki/services/grafana/prometheus-exporters/node.nix
index 07f1f69..484f454 100644
--- a/hosts/tsuki/services/grafana/prometheus-exporters/node.nix
+++ b/hosts/tsuki/services/grafana/prometheus-exporters/node.nix
@@ -15,4 +15,6 @@
       enabledCollectors = [ "systemd" ];
     };
   };
+
+  systemd.services.prometheus-node-exporter.serviceConfig.Slice = "system-prometheus.slice";
 }
diff --git a/hosts/tsuki/services/grafana/prometheus-exporters/postgres.nix b/hosts/tsuki/services/grafana/prometheus-exporters/postgres.nix
index 2c22967..a72859d 100644
--- a/hosts/tsuki/services/grafana/prometheus-exporters/postgres.nix
+++ b/hosts/tsuki/services/grafana/prometheus-exporters/postgres.nix
@@ -18,4 +18,6 @@
       extraFlags = [ "--auto-discover-databases" ];
     };
   };
+
+  systemd.services.prometheus-postgres-exporter.serviceConfig.Slice = "system-prometheus.slice";
 }
diff --git a/hosts/tsuki/services/grafana/prometheus-exporters/redis.nix b/hosts/tsuki/services/grafana/prometheus-exporters/redis.nix
index 1ee5ba2..0360b6e 100644
--- a/hosts/tsuki/services/grafana/prometheus-exporters/redis.nix
+++ b/hosts/tsuki/services/grafana/prometheus-exporters/redis.nix
@@ -14,4 +14,6 @@
       port = 10394;
     };
   };
+
+  systemd.services.prometheus-redis-exporter.serviceConfig.Slice = "system-prometheus.slice";
 }
diff --git a/hosts/tsuki/services/grafana/prometheus-exporters/systemd.nix b/hosts/tsuki/services/grafana/prometheus-exporters/systemd.nix
index 9caec0c..a55f3ec 100644
--- a/hosts/tsuki/services/grafana/prometheus-exporters/systemd.nix
+++ b/hosts/tsuki/services/grafana/prometheus-exporters/systemd.nix
@@ -18,4 +18,6 @@
       ];
     };
   };
+
+  systemd.services.prometheus-systemd-exporter.serviceConfig.Slice = "system-prometheus.slice";
 }
diff --git a/hosts/tsuki/services/grafana/prometheus.nix b/hosts/tsuki/services/grafana/prometheus.nix
index 69494d6..70259e7 100644
--- a/hosts/tsuki/services/grafana/prometheus.nix
+++ b/hosts/tsuki/services/grafana/prometheus.nix
@@ -19,4 +19,12 @@
     enable = true;
     port = 7001;
   };
+
+  systemd.slices.system-prometheus = {
+    description = "Prometheus slice";
+    requires= [ "system.slice" ];
+    after= [ "system.slice" ];
+  };
+
+  systemd.services.prometheus.serviceConfig.Slice = "system-prometheus.slice";
 }