diff --git a/expected/select.out b/expected/select.out
index 9f1fbd0..19ea15b 100644
--- a/expected/select.out
+++ b/expected/select.out
@@ -11,6 +11,13 @@ CREATE EXTENSION IF NOT EXISTS mongo_fdw;
 CREATE SERVER mongo_server FOREIGN DATA WRAPPER mongo_fdw
   OPTIONS (address :MONGO_HOST, port :MONGO_PORT);
 CREATE USER MAPPING FOR public SERVER mongo_server;
+-- Check version
+SELECT mongo_fdw_version();
+ mongo_fdw_version 
+-------------------
+             50207
+(1 row)
+
 -- Create foreign tables
 CREATE FOREIGN TABLE f_mongo_test (_id name, a int, b varchar)
   SERVER mongo_server OPTIONS (database 'mongo_fdw_regress', collection 'mongo_test');
diff --git a/expected/select_1.out b/expected/select_1.out
index 38a231d..29be052 100644
--- a/expected/select_1.out
+++ b/expected/select_1.out
@@ -11,6 +11,13 @@ CREATE EXTENSION IF NOT EXISTS mongo_fdw;
 CREATE SERVER mongo_server FOREIGN DATA WRAPPER mongo_fdw
   OPTIONS (address :MONGO_HOST, port :MONGO_PORT);
 CREATE USER MAPPING FOR public SERVER mongo_server;
+-- Check version
+SELECT mongo_fdw_version();
+ mongo_fdw_version 
+-------------------
+             50207
+(1 row)
+
 -- Create foreign tables
 CREATE FOREIGN TABLE f_mongo_test (_id name, a int, b varchar)
   SERVER mongo_server OPTIONS (database 'mongo_fdw_regress', collection 'mongo_test');
diff --git a/mongo_fdw.c b/mongo_fdw.c
index 79e68e2..3ed4043 100644
--- a/mongo_fdw.c
+++ b/mongo_fdw.c
@@ -53,9 +53,9 @@ PG_MODULE_MAGIC;
 
 /*
  * In PG 9.5.1 the number will be 90501,
- * our version is 5.1.0 so number will be 50100
+ * our version is 5.2.7 so number will be 50207
  */
-#define CODE_VERSION   50201
+#define CODE_VERSION   50207
 
 extern PGDLLEXPORT void _PG_init(void);
 const char *EscapeJsonString(const char *string);
diff --git a/sql/select.sql b/sql/select.sql
index 8351016..37a64de 100644
--- a/sql/select.sql
+++ b/sql/select.sql
@@ -14,6 +14,9 @@ CREATE SERVER mongo_server FOREIGN DATA WRAPPER mongo_fdw
   OPTIONS (address :MONGO_HOST, port :MONGO_PORT);
 CREATE USER MAPPING FOR public SERVER mongo_server;
 
+-- Check version
+SELECT mongo_fdw_version();
+
 -- Create foreign tables
 CREATE FOREIGN TABLE f_mongo_test (_id name, a int, b varchar)
   SERVER mongo_server OPTIONS (database 'mongo_fdw_regress', collection 'mongo_test');