diff --git a/Package.swift b/Package.swift
index c7f1d73..08b5f4e 100644
--- a/Package.swift
+++ b/Package.swift
@@ -117,7 +117,7 @@ let package = Package(
     platforms: [
         .iOS(.v13),
         .macOS(.v10_13),
-        .watchOS(.v4),
+        .watchOS(.v9),
         .tvOS(.v12),
         .visionOS(.v1)
     ],
diff --git a/Tests/SPM/Package.swift b/Tests/SPM/Package.swift
index 6521211..69a1cc4 100644
--- a/Tests/SPM/Package.swift
+++ b/Tests/SPM/Package.swift
@@ -8,7 +8,7 @@ let package = Package(
     platforms: [
         .iOS(.v11),
         .macOS(.v10_13),
-        .watchOS(.v4),
+        .watchOS(.v9),
         .tvOS(.v11)
     ],
     dependencies: [