diff --git a/data/sql/metadata.sql b/data/sql/metadata.sql
index 90fe5bd6fc..a80b952779 100644
--- a/data/sql/metadata.sql
+++ b/data/sql/metadata.sql
@@ -18,4 +18,4 @@ INSERT INTO "metadata" VALUES('PROJ.VERSION', '${PROJ_VERSION}');
 
 -- Version of the PROJ-data package with which this database is the most
 -- compatible.
-INSERT INTO "metadata" VALUES('PROJ_DATA.VERSION', '1.17');
+INSERT INTO "metadata" VALUES('PROJ_DATA.VERSION', '1.18');