diff --git a/docs/classes/ERC725.md b/docs/classes/ERC725.md
index a5ecd2ae..e76b73cc 100644
--- a/docs/classes/ERC725.md
+++ b/docs/classes/ERC725.md
@@ -754,7 +754,8 @@ ERC725.encodePermissions({
   ENCRYPT: false,
   DECRYPT: false,
   SIGN: false,
-  EXECUTE_RELAY_CALL: false
+  EXECUTE_RELAY_CALL: false,
+  "4337_PERMISSION": false
 }),
 // '0x0000000000000000000000000000000000000000000000000000000000000110'
 
diff --git a/src/constants/constants.ts b/src/constants/constants.ts
index 3673cc85..63a7ff89 100644
--- a/src/constants/constants.ts
+++ b/src/constants/constants.ts
@@ -167,6 +167,7 @@ export const LSP6_DEFAULT_PERMISSIONS = {
   DECRYPT                          : "0x0000000000000000000000000000000000000000000000000000000000100000",
   SIGN                             : "0x0000000000000000000000000000000000000000000000000000000000200000",
   EXECUTE_RELAY_CALL               : "0x0000000000000000000000000000000000000000000000000000000000400000",
+  "4337_PERMISSION"                : "0x0000000000000000000000000000000000000000000000000000000000800000"
 };
 
 export const LSP6_ALL_PERMISSIONS =
diff --git a/src/index.test.ts b/src/index.test.ts
index 6e444748..c303ba41 100644
--- a/src/index.test.ts
+++ b/src/index.test.ts
@@ -1067,6 +1067,7 @@ describe('Running @erc725/erc725.js tests...', () => {
           DECRYPT: true,
           SIGN: true,
           EXECUTE_RELAY_CALL: false,
+          '4337_PERMISSION': false,
         },
         hex: '0x00000000000000000000000000000000000000000000000000000000003f3f7f',
       },
@@ -1095,6 +1096,7 @@ describe('Running @erc725/erc725.js tests...', () => {
           DECRYPT: false,
           SIGN: false,
           EXECUTE_RELAY_CALL: false,
+          '4337_PERMISSION': false,
         },
         hex: '0x0000000000000000000000000000000000000000000000000000000000000000',
       },
@@ -1123,6 +1125,7 @@ describe('Running @erc725/erc725.js tests...', () => {
           DECRYPT: false,
           SIGN: true,
           EXECUTE_RELAY_CALL: false,
+          '4337_PERMISSION': false,
         },
         hex: '0x0000000000000000000000000000000000000000000000000000000000200a00',
       },
@@ -1151,6 +1154,7 @@ describe('Running @erc725/erc725.js tests...', () => {
           DECRYPT: false,
           SIGN: false,
           EXECUTE_RELAY_CALL: false,
+          '4337_PERMISSION': false,
         },
         hex: '0x0000000000000000000000000000000000000000000000000000000000040800',
       },
@@ -1179,6 +1183,7 @@ describe('Running @erc725/erc725.js tests...', () => {
           DECRYPT: false,
           SIGN: false,
           EXECUTE_RELAY_CALL: false,
+          '4337_PERMISSION': false,
         },
         hex: '0x0000000000000000000000000000000000000000000000000000000000040004',
       },
@@ -1207,6 +1212,7 @@ describe('Running @erc725/erc725.js tests...', () => {
           DECRYPT: false,
           SIGN: false,
           EXECUTE_RELAY_CALL: false,
+          '4337_PERMISSION': false,
         },
         hex: '0x0000000000000000000000000000000000000000000000000000000000000a00',
       },
@@ -1288,6 +1294,7 @@ describe('Running @erc725/erc725.js tests...', () => {
             DECRYPT: true,
             SIGN: true,
             EXECUTE_RELAY_CALL: true,
+            '4337_PERMISSION': false,
           },
         );
         assert.deepStrictEqual(
@@ -1318,6 +1325,7 @@ describe('Running @erc725/erc725.js tests...', () => {
             DECRYPT: true,
             SIGN: true,
             EXECUTE_RELAY_CALL: true,
+            '4337_PERMISSION': false,
           },
         );
       });
diff --git a/src/index.ts b/src/index.ts
index e7924b75..3ecadbee 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -500,6 +500,7 @@ export class ERC725 {
       DECRYPT: false,
       SIGN: false,
       EXECUTE_RELAY_CALL: false,
+      '4337_PERMISSION': false,
     };
 
     const permissionsToTest = Object.keys(LSP6_DEFAULT_PERMISSIONS);
diff --git a/src/types/Method.ts b/src/types/Method.ts
index 1c794a67..74a4c592 100644
--- a/src/types/Method.ts
+++ b/src/types/Method.ts
@@ -47,4 +47,5 @@ export interface Permissions {
   DECRYPT?: boolean;
   SIGN?: boolean;
   EXECUTE_RELAY_CALL?: boolean;
+  '4337_PERMISSION'?: boolean;
 }