diff --git a/expected/select.out b/expected/select.out
index f5a7ba6..967d790 100644
--- a/expected/select.out
+++ b/expected/select.out
@@ -15,7 +15,7 @@ CREATE USER MAPPING FOR public SERVER mongo_server;
 SELECT mongo_fdw_version();
  mongo_fdw_version 
 -------------------
-             50400
+             50500
 (1 row)
 
 -- Create foreign tables
diff --git a/expected/select_1.out b/expected/select_1.out
index 8c121af..ef1712e 100644
--- a/expected/select_1.out
+++ b/expected/select_1.out
@@ -15,7 +15,7 @@ CREATE USER MAPPING FOR public SERVER mongo_server;
 SELECT mongo_fdw_version();
  mongo_fdw_version 
 -------------------
-             50400
+             50500
 (1 row)
 
 -- Create foreign tables
diff --git a/mongo_fdw.c b/mongo_fdw.c
index 1336846..6164702 100644
--- a/mongo_fdw.c
+++ b/mongo_fdw.c
@@ -63,9 +63,9 @@ PG_MODULE_MAGIC;
 
 /*
  * In PG 9.5.1 the number will be 90501,
- * our version is 5.4.0 so number will be 50400
+ * our version is 5.5.0 so number will be 50500
  */
-#define CODE_VERSION   50400
+#define CODE_VERSION   50500
 
 #ifdef META_DRIVER
 /*