diff --git a/.changeset/sweet-pumas-knock.md b/.changeset/sweet-pumas-knock.md
new file mode 100644
index 00000000..90c6ce7a
--- /dev/null
+++ b/.changeset/sweet-pumas-knock.md
@@ -0,0 +1,6 @@
+---
+'@stacks/connect-react': minor
+'@stacks/connect': minor
+---
+
+Add `clarityVersion` to contract deploys.
diff --git a/packages/connect/src/types/transactions.ts b/packages/connect/src/types/transactions.ts
index 9e76075e..2f1e41da 100644
--- a/packages/connect/src/types/transactions.ts
+++ b/packages/connect/src/types/transactions.ts
@@ -134,6 +134,13 @@ export interface ContractCallPayload extends ContractCallBase {
 export interface ContractDeployBase extends TxBase {
   contractName: string;
   codeBody: string;
+  /**
+   * Optional integer value to specify the Clarity version to use for this contract.
+   * Current live Clarity versions are: `1`, `2`, and `3`.
+   *
+   * ⚠︎ Warning: Wallets may not support this parameter yet and typically default to the latest Clarity version.
+   */
+  clarityVersion?: number;
 }
 
 export type ContractDeployRegularOptions = ContractDeployBase & RegularOptionsBase;