diff --git a/src/handler.ts b/src/handler.ts
index 66be301..699fa54 100644
--- a/src/handler.ts
+++ b/src/handler.ts
@@ -48,6 +48,7 @@ export async function handleRequest(request: Request) {
     'eth_submitWork',
     'eth_submitHashrate',
     'eth_getProof',
+    'eth_feeHistory',
   ];
 
   const httpClient = new HttpClient(url, <RequestInit>{
diff --git a/src/httpClient.ts b/src/httpClient.ts
index f259cd2..9ec2147 100644
--- a/src/httpClient.ts
+++ b/src/httpClient.ts
@@ -72,6 +72,9 @@ export class HttpClient {
       case "eth_getStorageAt":
         defaultBlock = params[2];
         break;
+      case "eth_feeHistory":
+        defaultBlock = params[1];
+        break;
     };
 
     switch (defaultBlock) {