diff --git a/Sources/ShopifyCheckout/CheckoutBridge.swift b/Sources/ShopifyCheckout/CheckoutBridge.swift
index 8ae98a13..a2f545ee 100644
--- a/Sources/ShopifyCheckout/CheckoutBridge.swift
+++ b/Sources/ShopifyCheckout/CheckoutBridge.swift
@@ -24,7 +24,7 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SO
 import WebKit
 
 enum CheckoutBridge {
-	static let schemaVersion = "5.1"
+	static let schemaVersion = "5.3"
 
 	static let messageHandler = "mobileCheckoutSdk"