diff --git a/dba/patches/1.1.6.sql b/dba/patches/1.1.6.sql
new file mode 100644
index 00000000..f062b4bc
--- /dev/null
+++ b/dba/patches/1.1.6.sql
@@ -0,0 +1,23 @@
+
+-- Adding lock support
+
+BEGIN;
+SELECT check_db_revision(1,1,5);
+
+CREATE TABLE locks (
+  dav_name TEXT,
+  opaquelocktoken TEXT UNIQUE NOT NULL,
+  type TEXT,
+  scope TEXT,
+  depth TEXT,
+  owner INT REFERENCES usr(user_no),
+  timeout INTERVAL
+);
+
+CREATE INDEX locks_dav_name_idx ON locks(dav_name);
+GRANT SELECT,INSERT,UPDATE,DELETE ON locks TO general;
+
+SELECT new_db_revision(1,1,6, 'June' );
+COMMIT;
+ROLLBACK;
+
diff --git a/dba/rscds.sql b/dba/rscds.sql
index 224f8c73..092e9f33 100644
--- a/dba/rscds.sql
+++ b/dba/rscds.sql
@@ -103,4 +103,19 @@ CREATE TABLE relationship (
 );
 
 GRANT SELECT,INSERT,UPDATE,DELETE ON relationship TO general;
-SELECT new_db_revision(1,1,5, 'May' );
+
+
+CREATE TABLE locks (
+  dav_name TEXT,
+  opaquelocktoken TEXT UNIQUE NOT NULL,
+  type TEXT,
+  scope TEXT,
+  depth TEXT,
+  owner INT REFERENCES usr(user_no),
+  timeout INTERVAL
+);
+
+CREATE INDEX locks_dav_name_idx ON locks(dav_name);
+GRANT SELECT,INSERT,UPDATE,DELETE ON locks TO general;
+
+SELECT new_db_revision(1,1,6, 'June' );