diff --git a/src/etc/signify/openbsd-66-syspatch.pub b/src/etc/signify/openbsd-66-syspatch.pub
new file mode 100644
index 00000000..dcd50f3e
--- /dev/null
+++ b/src/etc/signify/openbsd-66-syspatch.pub
@@ -0,0 +1,2 @@
+untrusted comment: OpenBSD 6.6 syspatch public key
+RWRQMmZg6mMlSTfHsJH9czeLAvf9e+ViLvkQ4id4dxaQqWU3aX9Cl/W1