diff --git a/CryptomatorCommon/Package.swift b/CryptomatorCommon/Package.swift
index e4a11411a..0409f44e3 100644
--- a/CryptomatorCommon/Package.swift
+++ b/CryptomatorCommon/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.7
+// swift-tools-version:5.9
 
 //
 //  Package.swift