diff --git a/scavenger-schema/src/main/resources/db/changelog/db.changelog-master.yaml b/scavenger-schema/src/main/resources/db/changelog/db.changelog-master.yaml
index 7c90e94e..6cc72cab 100644
--- a/scavenger-schema/src/main/resources/db/changelog/db.changelog-master.yaml
+++ b/scavenger-schema/src/main/resources/db/changelog/db.changelog-master.yaml
@@ -3,6 +3,8 @@ databaseChangeLog:
       file: db/changelog/schema.sql
   - include:
       file: db/changelog/schema-1.1.2.sql
+  - include:
+      file: db/changelog/schema-1.1.3.sql
   - include:
       file: db/changelog/test-data-set.sql
       context: local
diff --git a/scavenger-schema/src/main/resources/db/changelog/schema-1.1.3.sql b/scavenger-schema/src/main/resources/db/changelog/schema-1.1.3.sql
new file mode 100644
index 00000000..983b047f
--- /dev/null
+++ b/scavenger-schema/src/main/resources/db/changelog/schema-1.1.3.sql
@@ -0,0 +1,5 @@
+--liquibase formatted sql
+
+--changeset scavenger:6
+
+ALTER TABLE snapshot_nodes MODIFY COLUMN signature TEXT NOT NULL;