diff --git a/platforms/swift/Sources/ShopifyCheckoutProtocol/Generated/Models.swift b/platforms/swift/Sources/ShopifyCheckoutProtocol/Generated/Models.swift
index d595a271..4c034dea 100644
--- a/platforms/swift/Sources/ShopifyCheckoutProtocol/Generated/Models.swift
+++ b/platforms/swift/Sources/ShopifyCheckoutProtocol/Generated/Models.swift
@@ -7623,17 +7623,13 @@ func newJSONEncoder() -> JSONEncoder {
 
 // MARK: - Encode/decode helpers
 
-public class JSONNull: Codable, Hashable {
+public final class JSONNull: Codable, Hashable, Sendable {
     public static func == (_: JSONNull, _: JSONNull) -> Bool {
         return true
     }
 
-    public var hashValue: Int {
-        return 0
-    }
-
-    public func hash(into _: inout Hasher) {
-        // No-op
+    public func hash(into hasher: inout Hasher) {
+        hasher.combine(0)
     }
 
     public init() {}
@@ -7671,7 +7667,7 @@ final class JSONCodingKey: CodingKey, Sendable {
     }
 }
 
-public class JSONAny: Codable {
+public final class JSONAny: Codable, @unchecked Sendable {
     public let value: Any
 
     static func decodingError(forCodingPath codingPath: [CodingKey]) -> DecodingError {
diff --git a/protocol/scripts/generate_models.sh b/protocol/scripts/generate_models.sh
index c8c1123e..79595d65 100755
--- a/protocol/scripts/generate_models.sh
+++ b/protocol/scripts/generate_models.sh
@@ -213,7 +213,6 @@ case "$LANG" in
     OUTPUT="${REPO_ROOT}/platforms/swift/Sources/ShopifyCheckoutProtocol/Generated/Models.swift"
     quicktype \
       --lang swift \
-      --swift-5-support \
       --access-level public \
       --sendable \
       --src-lang schema \
@@ -233,7 +232,11 @@ case "$LANG" in
     sed -i '' -E \
       -e 's/[[:<:]]Binding[[:>:]]/TokenBinding/g' \
       -e 's/[[:<:]]ColorScheme[[:>:]]/EmbeddedColorScheme/g' \
+      -e 's/^public class JSONNull: Codable, Hashable {/public final class JSONNull: Codable, Hashable, Sendable {/' \
+      -e 's/^    public func hash\(into _: inout Hasher\) {/    public func hash(into hasher: inout Hasher) {/' \
+      -e 's/^        \/\/ No-op$/        hasher.combine(0)/' \
       -e 's/^class JSONCodingKey: CodingKey {/final class JSONCodingKey: CodingKey, Sendable {/' \
+      -e 's/^public class JSONAny: Codable {/public final class JSONAny: Codable, @unchecked Sendable {/' \
       "${OUTPUT}"
 
     prepend_license "swift" "${OUTPUT}"