diff --git a/src/Eth.php b/src/Eth.php
index 355f474..16d8c98 100644
--- a/src/Eth.php
+++ b/src/Eth.php
@@ -317,6 +317,15 @@ class Eth
                 ]
             ]
         ],
+        'eth_submitHashrate' => [
+            'params' => [
+                [
+                    'validators' => BlockHashValidator::class
+                ], [
+                    'validators' => BlockHashValidator::class
+                ]
+            ]
+        ],
     ];
 
     /**
diff --git a/test/unit/EthTest.php b/test/unit/EthTest.php
index 79871ce..984535e 100644
--- a/test/unit/EthTest.php
+++ b/test/unit/EthTest.php
@@ -1080,6 +1080,34 @@ class EthTest extends TestCase
         });
     }
 
+    /**
+     * testSubmitHashrate
+     * 
+     * @return void
+     */    
+    public function testSubmitHashrate()
+    {
+        $eth = $this->eth;
+
+        $eth->submitHashrate(
+            '0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef',
+            '0xD1FE5700000000000000000000000000D1FE5700000000000000000000000000'
+        , function ($err, $work) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($work->result)) {
+                $this->assertTrue(is_bool($work->result));
+            } else {
+                if (isset($work->error)) {
+                    $this->assertTrue(is_string($work->error->message));
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
     /**
      * testUnallowedMethod
      *