diff --git a/.spi.yml b/.spi.yml
index 25c301f..0a2deb0 100644
--- a/.spi.yml
+++ b/.spi.yml
@@ -3,3 +3,4 @@ builder:
   configs:
     - documentation_targets: [APNS]
       scheme: APNS
+      swift_version: 6.0