diff --git a/packages/ensjs/package.json b/packages/ensjs/package.json
index 7a6eb80b..bce7e3d8 100644
--- a/packages/ensjs/package.json
+++ b/packages/ensjs/package.json
@@ -143,10 +143,10 @@
     "typedoc": "^0.24.8",
     "typedoc-plugin-markdown": "^4.0.0-next.16",
     "typescript": "^5.1.6",
-    "viem": "^1.12.2",
+    "viem": "^1.16.4",
     "wait-on": "^6.0.1"
   },
   "peerDependencies": {
-    "viem": "^1.12.2"
+    "viem": "^1.16.4"
   }
 }
diff --git a/packages/ensjs/src/clients/public.ts b/packages/ensjs/src/clients/public.ts
index b12fd9d1..7ffcb798 100644
--- a/packages/ensjs/src/clients/public.ts
+++ b/packages/ensjs/src/clients/public.ts
@@ -3,6 +3,7 @@ import {
   type Chain,
   type Client,
   type ClientConfig,
+  type PublicRpcSchema,
   type Transport,
 } from 'viem'
 import { addEnsContracts } from '../contracts/addEnsContracts.js'
@@ -32,7 +33,7 @@ export type EnsPublicClient<
     TTransport,
     TChain,
     undefined,
-    undefined,
+    PublicRpcSchema,
     EnsPublicActions & EnsSubgraphActions
   >
 >
diff --git a/packages/ensjs/src/clients/subgraph.ts b/packages/ensjs/src/clients/subgraph.ts
index b7442266..0bab8117 100644
--- a/packages/ensjs/src/clients/subgraph.ts
+++ b/packages/ensjs/src/clients/subgraph.ts
@@ -3,6 +3,7 @@ import {
   type Chain,
   type Client,
   type ClientConfig,
+  type PublicRpcSchema,
   type Transport,
 } from 'viem'
 import { addEnsContracts } from '../contracts/addEnsContracts.js'
@@ -27,7 +28,7 @@ export type EnsSubgraphClient<
   TTransport extends Transport = Transport,
   TChain extends ChainWithEns = ChainWithEns,
 > = Prettify<
-  Client<TTransport, TChain, undefined, undefined, EnsSubgraphActions>
+  Client<TTransport, TChain, undefined, PublicRpcSchema, EnsSubgraphActions>
 >
 
 /**
diff --git a/packages/ensjs/src/types.ts b/packages/ensjs/src/types.ts
index 4ea05112..c0da91df 100644
--- a/packages/ensjs/src/types.ts
+++ b/packages/ensjs/src/types.ts
@@ -11,9 +11,12 @@ export type Prettify<T> = {
   [K in keyof T]: T[K]
 } & {}
 
-export type SimpleTransactionRequest = Prettify<
-  Required<Pick<TransactionRequest, 'to' | 'data'>>
->
+export type SimpleTransactionRequest = {
+  [P in keyof Pick<TransactionRequest, 'to' | 'data'>]-?: Exclude<
+    TransactionRequest[P],
+    null
+  >
+}
 
 export type TransactionRequestWithPassthrough = SimpleTransactionRequest & {
   passthrough?: any
diff --git a/packages/ensjs/tsconfig.json b/packages/ensjs/tsconfig.json
index ac75fdac..9e43dfa9 100644
--- a/packages/ensjs/tsconfig.json
+++ b/packages/ensjs/tsconfig.json
@@ -15,7 +15,8 @@
     "types": ["jest"],
     "resolveJsonModule": true,
     "paths": {
-      "abitype": ["./node_modules/abitype/dist"]
+      "abitype": ["./node_modules/abitype/dist"],
+      "viem": ["./node_modules/viem/_types"]
     }
   }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 8eca56c9..ff904d6d 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -141,7 +141,7 @@ importers:
       typedoc: ^0.24.8
       typedoc-plugin-markdown: ^4.0.0-next.16
       typescript: ^5.1.6
-      viem: ^1.12.2
+      viem: ^1.16.4
       wait-on: ^6.0.1
     dependencies:
       '@adraffy/ens-normalize': 1.9.0
@@ -189,7 +189,7 @@ importers:
       typedoc: 0.24.8_typescript@5.1.6
       typedoc-plugin-markdown: 4.0.0-next.16_typedoc@0.24.8
       typescript: 5.1.6
-      viem: 1.12.2_typescript@5.1.6
+      viem: 1.16.4_typescript@5.1.6
       wait-on: 6.0.1
 
 packages:
@@ -2489,12 +2489,6 @@ packages:
     resolution: {integrity: sha512-RBz2uRZVCXuMg93WD//aTS5B120QlT4lR/gL+935QtGsKHLS6sCtZBaKfWjIfk7ZXv/r8mtGbwjVIee6/3XTow==}
     dev: true
 
-  /@types/ws/8.5.5:
-    resolution: {integrity: sha512-lwhs8hktwxSjf9UaZ9tG5M03PGogvFaH8gUgLNbN9HKIg0dvv6q+gkSuJ8HN4/VbyxkuLzCjlN7GquQ0gUJfIg==}
-    dependencies:
-      '@types/node': 20.3.3
-    dev: true
-
   /@types/yargs-parser/21.0.0:
     resolution: {integrity: sha512-iO9ZQHkZxHn4mSakYV0vFHAVDyEOIJQrV2uZ06HxEPcx+mt8swXoZHIbaaJ2crJYFfErySgktuTZ3BeLz+XmFA==}
     dev: true
@@ -6335,8 +6329,8 @@ packages:
       ws: 8.12.0
     dev: false
 
-  /isomorphic-ws/5.0.0_ws@8.13.0:
-    resolution: {integrity: sha512-muId7Zzn9ywDsyXgTIafTry2sV3nySZeUDe6YedVd1Hvuuep5AsIlqK+XefWpYTyJG5e503F2xIuT2lcU6rCSw==}
+  /isows/1.0.3_ws@8.13.0:
+    resolution: {integrity: sha512-2cKei4vlmg2cxEjm3wVSqn8pcoRF/LX/wpifuuNquFO4SQmPwarClT+SUCA2lt+l581tTeZIPIZuIDo2jWN1fg==}
     peerDependencies:
       ws: '*'
     dependencies:
@@ -9558,8 +9552,8 @@ packages:
       extsprintf: 1.3.0
     dev: true
 
-  /viem/1.12.2_typescript@5.1.6:
-    resolution: {integrity: sha512-aCaUCyg72ES+jK4s6tVYOMnOt4if71RwzgiUAUpAuaCgvHFfh9DCnwuEfwkxEZLE2vafOsirgJ3fcn7nsDVQoQ==}
+  /viem/1.16.4_typescript@5.1.6:
+    resolution: {integrity: sha512-T9ziN3EERXz0BtQSS2VJM+P1EJ2W7K7PviobFrmvWCEYmNQ/vJDhfFqGjvq0ZL9LVz9HvevCbenEy8oIdMEZ+w==}
     peerDependencies:
       typescript: '>=5.0.4'
     peerDependenciesMeta:
@@ -9571,9 +9565,8 @@ packages:
       '@noble/hashes': 1.3.2
       '@scure/bip32': 1.3.2
       '@scure/bip39': 1.2.1
-      '@types/ws': 8.5.5
       abitype: 0.9.8_typescript@5.1.6
-      isomorphic-ws: 5.0.0_ws@8.13.0
+      isows: 1.0.3_ws@8.13.0
       typescript: 5.1.6
       ws: 8.13.0
     transitivePeerDependencies: