diff --git a/expected/select.out b/expected/select.out
index e98ec03..8bc9883 100644
--- a/expected/select.out
+++ b/expected/select.out
@@ -14,7 +14,7 @@ CREATE USER MAPPING FOR public SERVER mongo_server;
 SELECT mongo_fdw_version();
  mongo_fdw_version 
 -------------------
-             50500
+             50501
 (1 row)
 
 -- Create foreign tables
diff --git a/expected/select_1.out b/expected/select_1.out
index 9aa50f5..4b6988b 100644
--- a/expected/select_1.out
+++ b/expected/select_1.out
@@ -14,7 +14,7 @@ CREATE USER MAPPING FOR public SERVER mongo_server;
 SELECT mongo_fdw_version();
  mongo_fdw_version 
 -------------------
-             50500
+             50501
 (1 row)
 
 -- Create foreign tables
diff --git a/mongo_fdw.c b/mongo_fdw.c
index ec3bf94..185a959 100644
--- a/mongo_fdw.c
+++ b/mongo_fdw.c
@@ -66,9 +66,9 @@ PG_MODULE_MAGIC;
 
 /*
  * In PG 9.5.1 the number will be 90501,
- * our version is 5.5.0 so number will be 50500
+ * our version is 5.5.1 so number will be 50501
  */
-#define CODE_VERSION   50500
+#define CODE_VERSION   50501
 
 #ifdef META_DRIVER
 /*