diff --git a/CMakeLists.txt b/CMakeLists.txt
index e38476b..2bef6f1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.20 FATAL_ERROR)
 project(
     ucall
-    VERSION 0.5.5
+    VERSION 0.5.6
     LANGUAGES C CXX
     DESCRIPTION "Up to 100x Faster FastAPI. JSON-RPC with io_uring, SIMD-acceleration, and pure CPython bindings"
     HOMEPAGE_URL "https://github.com/unum-cloud/ucall")
diff --git a/VERSION b/VERSION
index d1d899f..b49b253 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.5.5
+0.5.6
diff --git a/include/ucall/ucall.h b/include/ucall/ucall.h
index 866ec59..3274ab8 100644
--- a/include/ucall/ucall.h
+++ b/include/ucall/ucall.h
@@ -34,7 +34,7 @@
 
 #define UCALL_VERSION_MAJOR 0
 #define UCALL_VERSION_MINOR 5
-#define UCALL_VERSION_PATCH 5
+#define UCALL_VERSION_PATCH 6
 
 #ifdef __cplusplus
 extern "C" {