diff --git a/mkosi.images/system/mkosi.conf.d/10-debian-ubuntu/mkosi-pinning.pref b/mkosi.images/system/mkosi.conf.d/10-debian-ubuntu/mkosi-pinning.pref
new file mode 100644
index 0000000000..5649b70a85
--- /dev/null
+++ b/mkosi.images/system/mkosi.conf.d/10-debian-ubuntu/mkosi-pinning.pref
@@ -0,0 +1,3 @@
+Package: *
+Pin: release l=mkosi
+Pin-Priority: 1100
diff --git a/mkosi.images/system/mkosi.conf.d/10-debian-ubuntu/mkosi.conf b/mkosi.images/system/mkosi.conf.d/10-debian-ubuntu/mkosi.conf
index d48cd52230..12652a7126 100644
--- a/mkosi.images/system/mkosi.conf.d/10-debian-ubuntu/mkosi.conf
+++ b/mkosi.images/system/mkosi.conf.d/10-debian-ubuntu/mkosi.conf
@@ -11,6 +11,9 @@ Environment=
         GIT_BRANCH=debian/master
         GIT_COMMIT=abf24e775c67cf054f474526dd5d9d952a00228b
 
+[Distribution]
+PackageManagerTrees=mkosi-pinning.pref:/etc/apt/preferences.d/mkosi-pinning.pref
+
 VolatilePackages=
         libnss-myhostname
         libnss-mymachines