diff --git a/topology_api/migrations/001_extensions.sql b/topology_api/migrations/001_extensions.sql
new file mode 100644
index 0000000..20e062c
--- /dev/null
+++ b/topology_api/migrations/001_extensions.sql
@@ -0,0 +1,8 @@
+-- topology_api/migrations/001_extensions.sql
+-- Create schema and required PostgreSQL extensions
+
+CREATE SCHEMA IF NOT EXISTS topology;
+
+CREATE EXTENSION IF NOT EXISTS pgcrypto WITH SCHEMA topology;
+CREATE EXTENSION IF NOT EXISTS citext WITH SCHEMA topology;
+CREATE EXTENSION IF NOT EXISTS btree_gist WITH SCHEMA topology;