diff --git a/dev/so_5/cmake/target.cmake b/dev/so_5/cmake/target.cmake
index 4e1abbc7..6fc0c276 100644
--- a/dev/so_5/cmake/target.cmake
+++ b/dev/so_5/cmake/target.cmake
@@ -1,3 +1,3 @@
-set(SO_5_VERSION "5.7.2")
+set(SO_5_VERSION "5.7.2.1")
 set(SO_5_SHARED_LIB so.${SO_5_VERSION})
 set(SO_5_STATIC_LIB so_s.${SO_5_VERSION})
diff --git a/dev/so_5/version.hpp b/dev/so_5/version.hpp
index 7477149b..46987cfd 100644
--- a/dev/so_5/version.hpp
+++ b/dev/so_5/version.hpp
@@ -12,7 +12,7 @@
 
 #pragma once
 
-// The current version is 5.7.2
+// The current version is 5.7.2.1
 //
 /*!
  * A number next to generation number in SObjectizer's version.
@@ -43,7 +43,7 @@
  * or API fixes are added to SObjectizer but SObjectizer API is compatible on
  * source-code level.
  */
-#define SO_5_VERSION_PATCH 0ull
+#define SO_5_VERSION_PATCH 1ull
 
 /*!
  * Helper macro for make single number representation of SObjectizer's version.
diff --git a/dev/so_5/version.rb b/dev/so_5/version.rb
index b533fd90..082c40f3 100644
--- a/dev/so_5/version.rb
+++ b/dev/so_5/version.rb
@@ -1,3 +1,3 @@
 module So5
-  VERSION = "5.7.2"
+  VERSION = "5.7.2.1"
 end