diff --git a/src/cosmos.ts b/src/cosmos.ts
index 060116c..229634e 100644
--- a/src/cosmos.ts
+++ b/src/cosmos.ts
@@ -29,8 +29,10 @@ import {
   ParamsFeerefunderResponse,
   ParamsContractmanagerResponse,
   ParamsCronResponse,
+  ParamsDexResponse,
   ParamsTokenfactoryResponse,
-  Strategy, TransferParamsResponse,
+  Strategy,
+  TransferParamsResponse,
 } from './types';
 import { DEBUG_SUBMIT_TX, getContractBinary, getHeight } from './env';
 import { Message } from '@bufbuild/protobuf';
@@ -213,12 +215,9 @@ export class CosmosWrapper {
   }
 
   async queryTransferParams(): Promise<TransferParamsResponse> {
-    const req = await axios.get(
-      `${this.sdk.url}/ibc/apps/transfer/v1/params`,
-    );
+    const req = await axios.get(`${this.sdk.url}/ibc/apps/transfer/v1/params`);
 
     return req.data;
-
   }
 
   async queryFeeburnerParams(): Promise<ParamsFeeburnerResponse> {
@@ -249,6 +248,12 @@ export class CosmosWrapper {
     return req.data;
   }
 
+  async queryDexParams(): Promise<ParamsDexResponse> {
+    const req = await axios.get(`${this.sdk.url}/neutron/dex/params`);
+
+    return req.data;
+  }
+
   async queryTokenfactoryParams(): Promise<ParamsTokenfactoryResponse> {
     const req = await axios.get(
       `${this.sdk.url}/osmosis/tokenfactory/v1beta1/params`,
diff --git a/src/dao.ts b/src/dao.ts
index f92e2d2..e988d24 100644
--- a/src/dao.ts
+++ b/src/dao.ts
@@ -27,6 +27,7 @@ import {
   ParamChangeProposalInfo,
   ParamsContractmanagerInfo,
   ParamsCronInfo,
+  ParamsDexInfo,
   ParamsFeeburnerInfo,
   ParamsFeerefunderInfo,
   ParamsGlobalfeeInfo,
@@ -1622,6 +1623,25 @@ export class DaoMember {
     );
   }
 
+  /**
+   * submitUpdateParamsDexProposal creates proposal which changes soe params of dex module.
+   */
+
+  async submitUpdateParamsDexProposal(
+    chainManagerAddress: string,
+    title: string,
+    description: string,
+    message: ParamsDexInfo,
+    amount: string,
+  ): Promise<number> {
+    return await this.submitSingleChoiceProposal(
+      title,
+      description,
+      [chainManagerWrapper(chainManagerAddress, message)],
+      amount,
+    );
+  }
+
   /**
    * submitUpdateParamsContractmanagerProposal creates proposal which changes some params of contractmanager module.
    */
diff --git a/src/proposal.ts b/src/proposal.ts
index 2b5c0c7..bf89b9d 100644
--- a/src/proposal.ts
+++ b/src/proposal.ts
@@ -66,6 +66,13 @@ export type ParamsCronInfo = {
   limit: number;
 };
 
+export type ParamsDexInfo = {
+  fee_tiers: number[];
+  paused: boolean;
+  max_jits_per_block: number;
+  good_til_purge_allowance: number;
+};
+
 export type ParamsContractmanagerInfo = {
   sudo_call_gas_limit: string;
 };
@@ -443,6 +450,27 @@ export const updateCronParamsProposal = (info: ParamsCronInfo): any => ({
   },
 });
 
+export const updateDexParamsProposal = (info: ParamsDexInfo): any => ({
+  custom: {
+    submit_admin_proposal: {
+      admin_proposal: {
+        proposal_execute_message: {
+          message: JSON.stringify({
+            '@type': '/neutron.dex.MsgUpdateParams',
+            authority: ADMIN_MODULE_ADDRESS,
+            params: {
+              fee_tiers: info.fee_tiers,
+              paused: info.paused,
+              max_jits_per_block: info.max_jits_per_block,
+              good_til_purge_allowance: info.good_til_purge_allowance,
+            },
+          }),
+        },
+      },
+    },
+  },
+});
+
 export const updateContractmanagerParamsProposal = (
   info: ParamsContractmanagerInfo,
 ): any => ({
diff --git a/src/types.ts b/src/types.ts
index 2dd25cc..24bc8b1 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -3,6 +3,7 @@ import bech32 from 'bech32';
 import {
   ParamsContractmanagerInfo,
   ParamsCronInfo,
+  ParamsDexInfo,
   ParamsFeeburnerInfo,
   ParamsFeerefunderInfo,
   ParamsInterchainqueriesInfo,
@@ -345,6 +346,10 @@ export type ParamsCronResponse = {
   params: ParamsCronInfo;
 };
 
+export type ParamsDexResponse = {
+  params: ParamsDexInfo;
+};
+
 export type ParamsFeerefunderResponse = {
   params: ParamsFeerefunderInfo;
 };