diff --git a/cosmwasm/enclaves/shared/cosmwasm-types/v0.10/src/types.rs b/cosmwasm/enclaves/shared/cosmwasm-types/v0.10/src/types.rs
index 1af8c88fa..29531815e 100644
--- a/cosmwasm/enclaves/shared/cosmwasm-types/v0.10/src/types.rs
+++ b/cosmwasm/enclaves/shared/cosmwasm-types/v0.10/src/types.rs
@@ -283,6 +283,7 @@ pub enum WasmMsg {
     },
     /// this instantiates a new contracts from previously uploaded wasm code
     Instantiate {
+        admin: Option<String>,
         code_id: u64,
         /// callback_code_hash is the hex encoded hash of the code. This is used by Secret Network to harden against replaying the contract
         /// It is used to bind the request to a destination contract in a stronger way than just the contract address which can be faked
diff --git a/cosmwasm/enclaves/shared/cosmwasm-types/v1.0/src/results/cosmos_msg.rs b/cosmwasm/enclaves/shared/cosmwasm-types/v1.0/src/results/cosmos_msg.rs
index 62f32e3c9..bf59d5462 100644
--- a/cosmwasm/enclaves/shared/cosmwasm-types/v1.0/src/results/cosmos_msg.rs
+++ b/cosmwasm/enclaves/shared/cosmwasm-types/v1.0/src/results/cosmos_msg.rs
@@ -162,6 +162,7 @@ pub enum WasmMsg {
     /// This is translated to a [MsgInstantiateContract](https://github.com/CosmWasm/wasmd/blob/v0.16.0-alpha1/x/wasm/internal/types/tx.proto#L47-L61).
     /// `sender` is automatically filled with the current contract's address.
     Instantiate {
+        admin: Option<String>,
         code_id: u64,
         /// code_hash is the hex encoded hash of the code. This is used by Secret Network to harden against replaying the contract
         /// It is used to bind the request to a destination contract in a stronger way than just the contract address which can be faked
diff --git a/go-cosmwasm/types/v010/msg_v010.go b/go-cosmwasm/types/v010/msg_v010.go
index b23ab4c9a..064e1056c 100644
--- a/go-cosmwasm/types/v010/msg_v010.go
+++ b/go-cosmwasm/types/v010/msg_v010.go
@@ -145,6 +145,8 @@ type ExecuteMsg struct {
 }
 
 type InstantiateMsg struct {
+	// Optional admin address to be set
+	Admin string `json:"admin,omitempty"`
 	// CodeID is the reference to the wasm byte code as used by the Cosmos-SDK
 	CodeID uint64 `json:"code_id"`
 	// Custom addition to support binding a message to specific code to harden against offline & replay attacks