diff --git a/README.md b/README.md
index dcedc1ef..8afa5175 100644
--- a/README.md
+++ b/README.md
@@ -109,6 +109,16 @@ discussion please reach out to the team.
 
 ## Known limitations
 
+### 0.26
+
+1. When connecting to a Cosmos SDK 0.44+ backend, the verified queries from
+   `AuthExtension` and `BankExtension` as well as
+   `StargateClient.getAccountVerified` will fail because the storage keys are
+   not stable. Unverified queries can be used instead. Those queries are
+   deprecated now and will be removed in 0.27 ([#910]).
+
+[#910]: https://github.com/cosmos/cosmjs/pull/910
+
 ### 0.25
 
 1. Decoding blocks of height 1 is unsupported. This is fixed in [#815] and will
diff --git a/packages/stargate/src/queries/auth.spec.ts b/packages/stargate/src/queries/auth.spec.ts
index b68ffc44..9ca9b454 100644
--- a/packages/stargate/src/queries/auth.spec.ts
+++ b/packages/stargate/src/queries/auth.spec.ts
@@ -6,7 +6,14 @@ import { BaseAccount } from "cosmjs-types/cosmos/auth/v1beta1/auth";
 import { Any } from "cosmjs-types/google/protobuf/any";
 import Long from "long";
 
-import { nonExistentAddress, pendingWithoutSimapp, simapp, unused, validator } from "../testutils.spec";
+import {
+  nonExistentAddress,
+  pendingWithoutSimapp,
+  pendingWithoutSimapp42,
+  simapp,
+  unused,
+  validator,
+} from "../testutils.spec";
 import { AuthExtension, setupAuthExtension } from "./auth";
 import { QueryClient } from "./queryclient";
 
@@ -68,7 +75,7 @@ describe("AuthExtension", () => {
   describe("verified", () => {
     describe("account", () => {
       it("works for unused account", async () => {
-        pendingWithoutSimapp();
+        pendingWithoutSimapp42(); // Not supported with 0.44, see "Known limitations" in README.md
         const [client, tmClient] = await makeClientWithAuth(simapp.tendermintUrl);
         const account = await client.auth.verified.account(unused.address);
         assert(account);
@@ -85,7 +92,7 @@ describe("AuthExtension", () => {
       });
 
       it("works for account with pubkey and non-zero sequence", async () => {
-        pendingWithoutSimapp();
+        pendingWithoutSimapp42(); // Not supported with 0.44, see "Known limitations" in README.md
         const [client, tmClient] = await makeClientWithAuth(simapp.tendermintUrl);
         const account = await client.auth.verified.account(validator.delegatorAddress);
         assert(account);
@@ -102,7 +109,7 @@ describe("AuthExtension", () => {
       });
 
       it("returns null for non-existent address", async () => {
-        pendingWithoutSimapp();
+        pendingWithoutSimapp42(); // Not supported with 0.44, see "Known limitations" in README.md
         const [client, tmClient] = await makeClientWithAuth(simapp.tendermintUrl);
         const account = await client.auth.verified.account(nonExistentAddress);
 
diff --git a/packages/stargate/src/queries/auth.ts b/packages/stargate/src/queries/auth.ts
index 0368b0dd..d27f62f4 100644
--- a/packages/stargate/src/queries/auth.ts
+++ b/packages/stargate/src/queries/auth.ts
@@ -14,6 +14,11 @@ export interface AuthExtension {
      * `typeUrl` and decode the `value` using its own type decoder.
      */
     readonly account: (address: string) => Promise<Any | null>;
+    /**
+     * @deprecated Verified queries are not supported with Cosmos SDK 0.44+.
+     * See "Known limitations" in README.md.
+     * Will be rmoved in CosmJS 0.27 (https://github.com/cosmos/cosmjs/pull/910).
+     */
     readonly verified: {
       /**
        * Returns an account if it exists and `null` otherwise.
diff --git a/packages/stargate/src/queries/bank.spec.ts b/packages/stargate/src/queries/bank.spec.ts
index e6fdc1c9..f6002e00 100644
--- a/packages/stargate/src/queries/bank.spec.ts
+++ b/packages/stargate/src/queries/bank.spec.ts
@@ -4,6 +4,7 @@ import {
   nonExistentAddress,
   nonNegativeIntegerMatcher,
   pendingWithoutSimapp,
+  pendingWithoutSimapp42,
   simapp,
   unused,
 } from "../testutils.spec";
@@ -147,7 +148,7 @@ describe("BankExtension", () => {
   describe("verified", () => {
     describe("balance", () => {
       it("works for different existing balances", async () => {
-        pendingWithoutSimapp();
+        pendingWithoutSimapp42(); // Not supported with 0.44, see "Known limitations" in README.md
         const [client, tmClient] = await makeClientWithBank(simapp.tendermintUrl);
 
         const response1 = await client.bank.verified.balance(unused.address, simapp.denomFee);
@@ -165,7 +166,7 @@ describe("BankExtension", () => {
       });
 
       it("returns null for non-existent balance", async () => {
-        pendingWithoutSimapp();
+        pendingWithoutSimapp42(); // Not supported with 0.44, see "Known limitations" in README.md
         const [client, tmClient] = await makeClientWithBank(simapp.tendermintUrl);
 
         const response = await client.bank.verified.balance(unused.address, "gintonic");
@@ -175,7 +176,7 @@ describe("BankExtension", () => {
       });
 
       it("returns null for non-existent address", async () => {
-        pendingWithoutSimapp();
+        pendingWithoutSimapp42(); // Not supported with 0.44, see "Known limitations" in README.md
         const [client, tmClient] = await makeClientWithBank(simapp.tendermintUrl);
 
         const response = await client.bank.verified.balance(nonExistentAddress, simapp.denomFee);
diff --git a/packages/stargate/src/queries/bank.ts b/packages/stargate/src/queries/bank.ts
index 5ed5d1a5..f1c747be 100644
--- a/packages/stargate/src/queries/bank.ts
+++ b/packages/stargate/src/queries/bank.ts
@@ -13,6 +13,11 @@ export interface BankExtension {
     readonly allBalances: (address: string) => Promise<Coin[]>;
     readonly totalSupply: () => Promise<Coin[]>;
     readonly supplyOf: (denom: string) => Promise<Coin>;
+    /**
+     * @deprecated Verified queries are not supported with Cosmos SDK 0.44+.
+     * See "Known limitations" in README.md.
+     * Will be rmoved in CosmJS 0.27 (https://github.com/cosmos/cosmjs/pull/910).
+     */
     readonly verified: {
       readonly balance: (address: string, denom: string) => Promise<Coin | null>;
     };
diff --git a/packages/stargate/src/stargateclient.ts b/packages/stargate/src/stargateclient.ts
index a0ac1e59..969a3bbc 100644
--- a/packages/stargate/src/stargateclient.ts
+++ b/packages/stargate/src/stargateclient.ts
@@ -218,6 +218,11 @@ export class StargateClient {
     }
   }
 
+  /**
+   * @deprecated Verified queries are not supported with Cosmos SDK 0.44+.
+   * See "Known limitations" in README.md.
+   * Will be rmoved in CosmJS 0.27 (https://github.com/cosmos/cosmjs/pull/910).
+   */
   public async getAccountVerified(searchAddress: string): Promise<Account | null> {
     const account = await this.forceGetQueryClient().auth.verified.account(searchAddress);
     return account ? accountFromAny(account) : null;