diff --git a/src/mech/yang/infix.yang b/src/mech/yang/infix.yang
index d202150e..b88d0591 100644
--- a/src/mech/yang/infix.yang
+++ b/src/mech/yang/infix.yang
@@ -28,4 +28,11 @@ module infix {
     description
         "Base model
          ";
+
+    revision 2023-02-10 {
+      description
+	"Initial revision.";
+      reference
+	"N/A";
+    }
 }