diff --git a/grafana/dashboard.json b/grafana/dashboard.json
index bd77ea4..10bbda6 100644
--- a/grafana/dashboard.json
+++ b/grafana/dashboard.json
@@ -100,7 +100,7 @@
         "rgba(237, 129, 40, 0.89)",
         "#299c46"
       ],
-      "datasource": "Prometheus",
+      "datasource": "${DS_PROMETHEUS}",
       "fieldConfig": {
         "defaults": {
           "custom": {}
@@ -196,7 +196,7 @@
         "rgba(237, 129, 40, 0.89)",
         "#d44a3a"
       ],
-      "datasource": "Prometheus",
+      "datasource": "${DS_PROMETHEUS}",
       "decimals": null,
       "fieldConfig": {
         "defaults": {
@@ -287,7 +287,7 @@
         "rgba(237, 129, 40, 0.89)",
         "#d44a3a"
       ],
-      "datasource": "Prometheus",
+      "datasource": "${DS_PROMETHEUS}",
       "fieldConfig": {
         "defaults": {
           "custom": {}
@@ -375,7 +375,7 @@
         "label": "Others",
         "threshold": 0
       },
-      "datasource": "Prometheus",
+      "datasource": "${DS_PROMETHEUS}",
       "fieldConfig": {
         "defaults": {
           "custom": {}
@@ -427,7 +427,7 @@
         "label": "Others",
         "threshold": 0
       },
-      "datasource": "Prometheus",
+      "datasource": "${DS_PROMETHEUS}",
       "fieldConfig": {
         "defaults": {
           "custom": {}
@@ -479,7 +479,7 @@
         "label": "Others",
         "threshold": 0
       },
-      "datasource": "Prometheus",
+      "datasource": "${DS_PROMETHEUS}",
       "fieldConfig": {
         "defaults": {
           "custom": {}
@@ -528,7 +528,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource": "${DS_PROMETHEUS}",
       "fieldConfig": {
         "defaults": {
           "custom": {
@@ -639,7 +639,7 @@
     },
     {
       "cacheTimeout": null,
-      "datasource": "Prometheus",
+      "datasource": "${DS_PROMETHEUS}",
       "fieldConfig": {
         "defaults": {
           "color": {
@@ -717,7 +717,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource": "${DS_PROMETHEUS}",
       "fieldConfig": {
         "defaults": {
           "custom": {}
@@ -816,7 +816,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource": "${DS_PROMETHEUS}",
       "fieldConfig": {
         "defaults": {
           "custom": {}
@@ -919,7 +919,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource": "${DS_PROMETHEUS}",
       "fieldConfig": {
         "defaults": {
           "custom": {}
@@ -1018,7 +1018,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource": "${DS_PROMETHEUS}",
       "fieldConfig": {
         "defaults": {
           "custom": {}
@@ -1112,7 +1112,7 @@
     },
     {
       "columns": [],
-      "datasource": "Prometheus",
+      "datasource": "${DS_PROMETHEUS}",
       "fieldConfig": {
         "defaults": {
           "custom": {}
@@ -1174,7 +1174,7 @@
     },
     {
       "columns": [],
-      "datasource": "Prometheus",
+      "datasource": "${DS_PROMETHEUS}",
       "fieldConfig": {
         "defaults": {
           "custom": {}
@@ -1242,7 +1242,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource": "${DS_PROMETHEUS}",
       "fieldConfig": {
         "defaults": {
           "custom": {}
@@ -1346,7 +1346,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource": "${DS_PROMETHEUS}",
       "fieldConfig": {
         "defaults": {
           "custom": {
@@ -1469,7 +1469,7 @@
           "text": "10.10.200.20",
           "value": "10.10.200.20"
         },
-        "datasource": "Prometheus",
+        "datasource": "${DS_PROMETHEUS}",
         "definition": "label_values(pihole_ads_blocked_today, hostname)",
         "hide": 0,
         "includeAll": false,