diff --git a/litmus-liquibase/src/main/resources/db/changelog/202302201329-add-created-by-and-updated-by-in-all-tables.sql b/litmus-liquibase/src/main/resources/db/changelog/202302201329-add-created-by-and-updated-by-in-all-tables.sql
index 4841d4a..8109fbf 100644
--- a/litmus-liquibase/src/main/resources/db/changelog/202302201329-add-created-by-and-updated-by-in-all-tables.sql
+++ b/litmus-liquibase/src/main/resources/db/changelog/202302201329-add-created-by-and-updated-by-in-all-tables.sql
@@ -3,14 +3,14 @@
 --changeset author:akshatsonic id:202302201329
 
 ALTER table experiments
-    ADD created_by VARCHAR(255),
-    ADD updated_by VARCHAR(255);
+    ADD created_by VARCHAR(50),
+    ADD updated_by VARCHAR(50);
 
 ALTER table metrics
-    ADD created_by VARCHAR(255),
-    ADD updated_by VARCHAR(255);
+    ADD created_by VARCHAR(50),
+    ADD updated_by VARCHAR(50);
 
 ALTER table segments
-    ADD created_by VARCHAR(255),
-    ADD updated_by VARCHAR(255);
+    ADD created_by VARCHAR(50),
+    ADD updated_by VARCHAR(50);