diff --git a/packages/app/src/components/input/ArbitratorSelect.tsx b/packages/app/src/components/input/ArbitratorSelect.tsx
index 11ac2453..3dc4fee7 100644
--- a/packages/app/src/components/input/ArbitratorSelect.tsx
+++ b/packages/app/src/components/input/ArbitratorSelect.tsx
@@ -18,6 +18,7 @@ export const klerosAvailability: number[] = [
   NETWORK.GOERLI,
   NETWORK.GNOSIS_CHAIN,
   NETWORK.POLYGON,
+  NETWORK.SEPOLIA,
 ]
 
 type Option = keyof typeof arbitratorOptions
diff --git a/packages/app/src/services/index.ts b/packages/app/src/services/index.ts
index 8155c300..c15130cc 100644
--- a/packages/app/src/services/index.ts
+++ b/packages/app/src/services/index.ts
@@ -119,7 +119,7 @@ export function getDefaultOracle(chainId: number): string {
     case NETWORK.AVALANCHE:
       return "0xD88cd78631Ea0D068cedB0d1357a6eabe59D7502"
     case NETWORK.SEPOLIA:
-      return "" // TODO
+      return "0xaf33DcB6E8c5c4D9dDF579f53031b514d19449CA"
     case NETWORK.BASE:
       return "" // TODO
   }
@@ -205,6 +205,8 @@ export function getKlerosAddress(chainId: number): string {
       return "0x29f39de98d750eb77b5fafb31b2837f079fce222"
     case NETWORK.POLYGON:
       return "0x5AFa42b30955f137e10f89dfb5EF1542a186F90e"
+    case NETWORK.SEPOLIA:
+      return "0x05b942faecfb3924970e3a28e0f230910cedff45"
   }
   return ""
 }