diff --git a/mkosi.default.d/debian/10-mkosi.debian b/mkosi.default.d/debian/10-mkosi.debian
index 2be71f3c7f..d35b1d72a6 100644
--- a/mkosi.default.d/debian/10-mkosi.debian
+++ b/mkosi.default.d/debian/10-mkosi.debian
@@ -5,7 +5,7 @@
 
 [Distribution]
 Distribution=debian
-Release=unstable
+Release=testing
 
 [Packages]
 BuildPackages=