diff --git a/zzz_sync.hook b/zzz_sync.hook
new file mode 100644
index 0000000..68f9798
--- /dev/null
+++ b/zzz_sync.hook
@@ -0,0 +1,14 @@
+# Force disks to sync to reduce the risk of data corruption
+
+[Trigger]
+Operation = Install
+Operation = Upgrade
+Operation = Remove
+Type = Package
+Target = *
+
+[Action]
+Description = sync all file systems
+Depends = coreutils
+When = PostTransaction
+Exec = /usr/bin/sync