diff --git a/META.json b/META.json
index fa06948c..544b130d 100644
--- a/META.json
+++ b/META.json
@@ -2,7 +2,7 @@
    "name": "pg_pathman",
    "abstract": "Fast partitioning tool for PostgreSQL",
    "description": "pg_pathman provides optimized partitioning mechanism and functions to manage partitions.",
-   "version": "1.5.4",
+   "version": "1.5.6",
    "maintainer": [
       "Arseny Sher <a.sher@postgrespro.ru>"
    ],
@@ -22,7 +22,7 @@
        "pg_pathman": {
            "file": "pg_pathman--1.5.sql",
            "docfile": "README.md",
-           "version": "1.5.5",
+           "version": "1.5.6",
            "abstract": "Effective partitioning tool for PostgreSQL 9.5 and higher"
       }
    },
diff --git a/expected/pathman_calamity.out b/expected/pathman_calamity.out
index a9305a9e..5e72a8e1 100644
--- a/expected/pathman_calamity.out
+++ b/expected/pathman_calamity.out
@@ -13,7 +13,7 @@ SELECT debug_capture();
 SELECT pathman_version();
  pathman_version 
 -----------------
- 1.5.5
+ 1.5.6
 (1 row)
 
 set client_min_messages = NOTICE;
diff --git a/src/include/init.h b/src/include/init.h
index 25432840..8431f70d 100644
--- a/src/include/init.h
+++ b/src/include/init.h
@@ -158,7 +158,7 @@ simplify_mcxt_name(MemoryContext mcxt)
 #define LOWEST_COMPATIBLE_FRONT		"1.5.0"
 
 /* Current version of native C library */
-#define CURRENT_LIB_VERSION			"1.5.5"
+#define CURRENT_LIB_VERSION			"1.5.6"
 
 
 void *pathman_cache_search_relid(HTAB *cache_table,