diff --git a/configs/featured-networks/base-mainnet.json b/configs/featured-networks/base-mainnet.json
index 063693af..e71e7f8b 100644
--- a/configs/featured-networks/base-mainnet.json
+++ b/configs/featured-networks/base-mainnet.json
@@ -152,7 +152,7 @@
 	{
 		"title": "Garnet Testnet",
 		"url": "https://redstone-garnet.blockscout.com/",
-		"group": "Mainnets",
+		"group": "Testnets",
 		"icon": "https://raw.githubusercontent.com/blockscout/frontend-configs/main/configs/network-icons/redstone-light.svg"
 	},
 	{
diff --git a/configs/featured-networks/base-sepolia.json b/configs/featured-networks/base-sepolia.json
index d080d900..46dfbb2f 100644
--- a/configs/featured-networks/base-sepolia.json
+++ b/configs/featured-networks/base-sepolia.json
@@ -153,7 +153,7 @@
     {
 		"title": "Garnet Testnet",
 		"url": "https://redstone-garnet.blockscout.com/",
-		"group": "Mainnets",
+		"group": "Testnets",
 		"icon": "https://raw.githubusercontent.com/blockscout/frontend-configs/main/configs/network-icons/redstone-light.svg"
 	},
     {
diff --git a/configs/featured-networks/eth-goerli.json b/configs/featured-networks/eth-goerli.json
index f50ef555..fdf39eb1 100644
--- a/configs/featured-networks/eth-goerli.json
+++ b/configs/featured-networks/eth-goerli.json
@@ -152,7 +152,7 @@
 	{
 		"title": "Garnet Testnet",
 		"url": "https://redstone-garnet.blockscout.com/",
-		"group": "Mainnets",
+		"group": "Testnets",
 		"icon": "https://raw.githubusercontent.com/blockscout/frontend-configs/main/configs/network-icons/redstone-light.svg"
 	},
 	{
diff --git a/configs/featured-networks/eth-sepolia.json b/configs/featured-networks/eth-sepolia.json
index d1831a1a..c0933cf1 100644
--- a/configs/featured-networks/eth-sepolia.json
+++ b/configs/featured-networks/eth-sepolia.json
@@ -152,7 +152,7 @@
 	{
 		"title": "Garnet Testnet",
 		"url": "https://redstone-garnet.blockscout.com/",
-		"group": "Mainnets",
+		"group": "Testnets",
 		"icon": "https://raw.githubusercontent.com/blockscout/frontend-configs/main/configs/network-icons/redstone-light.svg"
 	},
 	{
diff --git a/configs/featured-networks/eth.json b/configs/featured-networks/eth.json
index 53fe8c5f..d61170e7 100644
--- a/configs/featured-networks/eth.json
+++ b/configs/featured-networks/eth.json
@@ -152,7 +152,7 @@
 	{
 		"title": "Garnet Testnet",
 		"url": "https://redstone-garnet.blockscout.com/",
-		"group": "Mainnets",
+		"group": "Testnets",
 		"icon": "https://raw.githubusercontent.com/blockscout/frontend-configs/main/configs/network-icons/redstone-light.svg"
 	},
 	{
diff --git a/configs/featured-networks/holesky.json b/configs/featured-networks/holesky.json
index 69de41ba..9d73c564 100644
--- a/configs/featured-networks/holesky.json
+++ b/configs/featured-networks/holesky.json
@@ -59,6 +59,12 @@
         "group": "Mainnets",
         "icon": "https://raw.githubusercontent.com/blockscout/frontend-configs/main/configs/network-icons/shiden.svg"
     },
+    {
+		"title": "Redstone",
+		"url": "https://redstone.blockscout.com/",
+		"group": "Mainnets",
+		"icon": "https://raw.githubusercontent.com/blockscout/frontend-configs/main/configs/network-icons/redstone-light.svg"
+	},
     {
         "title": "Goerli",
         "url": "https://eth-goerli.blockscout.com/",
@@ -143,6 +149,12 @@
         "icon": "https://raw.githubusercontent.com/blockscout/frontend-configs/main/configs/network-icons/shibuya.svg",
         "invertIconInDarkMode": true
     },
+    {
+		"title": "Garnet Testnet",
+		"url": "https://redstone-garnet.blockscout.com/",
+		"group": "Testnets",
+		"icon": "https://raw.githubusercontent.com/blockscout/frontend-configs/main/configs/network-icons/redstone-light.svg"
+	},
     {
         "title": "Optimism Opcraft",
         "url": "https://blockscout.com/optimism/opcraft",