diff --git a/nixos/modules/services/blockchain/ethereum/geth.nix b/nixos/modules/services/blockchain/ethereum/geth.nix
index 0c406c595a74..807d50f8aa7e 100644
--- a/nixos/modules/services/blockchain/ethereum/geth.nix
+++ b/nixos/modules/services/blockchain/ethereum/geth.nix
@@ -129,8 +129,9 @@ let
               "goerli"
               "holesky"
               "rinkeby"
-              "yolov2"
               "ropsten"
+              "sepolia"
+              "yolov2"
             ]
           );
           default = null;
diff --git a/nixos/tests/geth.nix b/nixos/tests/geth.nix
index 984b46935b86..7fa7b97ed3bb 100644
--- a/nixos/tests/geth.nix
+++ b/nixos/tests/geth.nix
@@ -15,7 +15,8 @@ import ./make-test-python.nix (
             enable = true;
           };
         };
-        services.geth."testnet" = {
+
+        services.geth."holesky" = {
           enable = true;
           port = 30304;
           network = "holesky";
@@ -28,15 +29,31 @@ import ./make-test-python.nix (
             port = 18551;
           };
         };
+
+        services.geth."sepolia" = {
+          enable = true;
+          port = 30305;
+          network = "sepolia";
+          http = {
+            enable = true;
+            port = 28545;
+          };
+          authrpc = {
+            enable = true;
+            port = 28551;
+          };
+        };
       };
 
     testScript = ''
       start_all()
 
       machine.wait_for_unit("geth-mainnet.service")
-      machine.wait_for_unit("geth-testnet.service")
+      machine.wait_for_unit("geth-holesky.service")
+      machine.wait_for_unit("geth-sepolia.service")
       machine.wait_for_open_port(8545)
       machine.wait_for_open_port(18545)
+      machine.wait_for_open_port(28545)
 
       machine.succeed(
           'geth attach --exec "eth.blockNumber" http://localhost:8545 | grep \'^0$\' '
@@ -45,6 +62,10 @@ import ./make-test-python.nix (
       machine.succeed(
           'geth attach --exec "eth.blockNumber" http://localhost:18545 | grep \'^0$\' '
       )
+
+      machine.succeed(
+          'geth attach --exec "eth.blockNumber" http://localhost:28545 | grep \'^0$\' '
+      )
     '';
   }
 )