diff --git a/gs1-syntax-dictionary.txt b/gs1-syntax-dictionary.txt
index d107181..6885c5c 100644
--- a/gs1-syntax-dictionary.txt
+++ b/gs1-syntax-dictionary.txt
@@ -1,7 +1,7 @@
 # GS1 Application Identifier Syntax Dictionary
 # --------------------------------------------
 #
-# Release: 2023-12-11
+# Release: UNSET
 #
 # This is the GS1 Application Identifier format "Syntax Dictionary".
 #