diff --git a/contracts/rekt-airdrop/src/contract.rs b/contracts/rekt-airdrop/src/contract.rs
index 04c3b8982..5efbc570c 100644
--- a/contracts/rekt-airdrop/src/contract.rs
+++ b/contracts/rekt-airdrop/src/contract.rs
@@ -56,7 +56,7 @@ pub fn execute(
 mod build_message {
     use super::*;
     use crate::state::Config;
-    use cosmwasm_std::{to_binary, Deps, WasmMsg};
+    use cosmwasm_std::{to_json_binary, Deps, WasmMsg};
     use sg_std::{StargazeMsgWrapper, SubMsg};
     use validation::validate_airdrop_amount;
     use whitelist_immutable::msg::InstantiateMsg as WGInstantiateMsg;
@@ -78,7 +78,7 @@ mod build_message {
             admin: Some(env.contract.address.to_string()),
             funds: vec![],
             label: GENERIC_WHITELIST_LABEL.to_string(),
-            msg: to_binary(&whitelist_instantiate_msg)?,
+            msg: to_json_binary(&whitelist_instantiate_msg)?,
         };
         Ok(SubMsg::reply_on_success(wasm_msg, INIT_WHITELIST_REPLY_ID))
     }
diff --git a/contracts/rekt-airdrop/src/query.rs b/contracts/rekt-airdrop/src/query.rs
index c3b50fcd1..d36a1aced 100644
--- a/contracts/rekt-airdrop/src/query.rs
+++ b/contracts/rekt-airdrop/src/query.rs
@@ -1,5 +1,5 @@
 use crate::{msg::QueryMsg, state::CONFIG, ContractError};
-use cosmwasm_std::{entry_point, to_binary, Binary};
+use cosmwasm_std::{entry_point, to_json_binary, Binary};
 use cosmwasm_std::{Addr, Env};
 use cosmwasm_std::{Deps, DepsMut, StdResult};
 use vending_minter::helpers::MinterContract;
@@ -9,9 +9,9 @@ use whitelist_immutable::helpers::WhitelistImmutableContract;
 pub fn query(deps: Deps, _env: Env, msg: QueryMsg) -> StdResult<Binary> {
     match msg {
         QueryMsg::AirdropEligible { eth_address } => {
-            to_binary(&query_airdrop_is_eligible(deps, eth_address)?)
+            to_json_binary(&query_airdrop_is_eligible(deps, eth_address)?)
         }
-        QueryMsg::GetMinter {} => to_binary(&query_minter(deps)?),
+        QueryMsg::GetMinter {} => to_json_binary(&query_minter(deps)?),
     }
 }
 
diff --git a/test-suite/src/dydx_airdrop/setup/mock_minter_contract.rs b/test-suite/src/dydx_airdrop/setup/mock_minter_contract.rs
index 97f35f899..c2b9123e0 100644
--- a/test-suite/src/dydx_airdrop/setup/mock_minter_contract.rs
+++ b/test-suite/src/dydx_airdrop/setup/mock_minter_contract.rs
@@ -1,7 +1,5 @@
-use cosmwasm_std::entry_point;
-use cosmwasm_std::{
-    to_binary, Binary, Coin, Deps, DepsMut, Env, MessageInfo, StdResult, Timestamp,
-};
+use cosmwasm_std::{entry_point, to_json_binary};
+use cosmwasm_std::{Binary, Coin, Deps, DepsMut, Env, MessageInfo, StdResult, Timestamp};
 use cw_multi_test::{Contract, ContractWrapper};
 use dydx_airdrop::error::ContractError;
 use sg_std::{Response, StargazeMsgWrapper};
@@ -46,8 +44,8 @@ pub fn execute(
 #[cfg_attr(not(feature = "library"), entry_point)]
 pub fn query(_deps: Deps, _env: Env, msg: QueryMsg) -> StdResult<Binary> {
     match msg {
-        QueryMsg::Config {} => to_binary(&query_config()),
-        _ => to_binary("invalid"),
+        QueryMsg::Config {} => to_json_binary(&query_config()),
+        _ => to_json_binary("invalid"),
     }
 }
 
diff --git a/test-suite/src/dydx_airdrop/setup/mock_whitelist_contract.rs b/test-suite/src/dydx_airdrop/setup/mock_whitelist_contract.rs
index 6381e225c..66566fe8b 100644
--- a/test-suite/src/dydx_airdrop/setup/mock_whitelist_contract.rs
+++ b/test-suite/src/dydx_airdrop/setup/mock_whitelist_contract.rs
@@ -1,5 +1,5 @@
-use cosmwasm_std::entry_point;
-use cosmwasm_std::{to_binary, Binary, Deps, DepsMut, Env, MessageInfo, StdResult};
+use cosmwasm_std::{entry_point, to_json_binary};
+use cosmwasm_std::{Binary, Deps, DepsMut, Env, MessageInfo, StdResult};
 use cw_multi_test::{Contract, ContractWrapper};
 use dydx_airdrop::error::ContractError;
 use sg_std::{Response, StargazeMsgWrapper};
@@ -31,7 +31,7 @@ pub fn execute(
 
 #[cfg_attr(not(feature = "library"), entry_point)]
 pub fn query(_deps: Deps, _env: Env, _msg: QueryMsg) -> StdResult<Binary> {
-    to_binary("mock")
+    to_json_binary("mock")
 }
 
 fn execute_add_members() -> Result<Response, ContractError> {