diff --git a/lib/swift/Sources/Thrift.swift b/lib/swift/Sources/Thrift.swift
index 4898c77..45c68f2 100644
--- a/lib/swift/Sources/Thrift.swift
+++ b/lib/swift/Sources/Thrift.swift
@@ -1,3 +1,3 @@
 class Thrift {
-	let version = "1.0.0"
+	let version = "0.13.0"
 }
diff --git a/lib/swift/Tests/ThriftTests/ThriftTests.swift b/lib/swift/Tests/ThriftTests/ThriftTests.swift
index 8f0b1fe..ae47f38 100644
--- a/lib/swift/Tests/ThriftTests/ThriftTests.swift
+++ b/lib/swift/Tests/ThriftTests/ThriftTests.swift
@@ -3,7 +3,7 @@
 
 class ThriftTests: XCTestCase {
   func testVersion() {
-    XCTAssertEqual(Thrift().version, "1.0.0")
+    XCTAssertEqual(Thrift().version, "0.13.0")
   }
 
   func test_in_addr_extension() {