diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4d485de..e026aca 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 2.6...3.0.2)
 
-project(xbyak LANGUAGES CXX VERSION 5.996)
+project(xbyak LANGUAGES CXX VERSION 5.997)
 
 file(GLOB headers xbyak/*.h)
 
diff --git a/readme.md b/readme.md
index cbd295f..3d5d379 100644
--- a/readme.md
+++ b/readme.md
@@ -1,6 +1,6 @@
 [![Build Status](https://github.com/herumi/xbyak/actions/workflows/main.yml/badge.svg)](https://github.com/herumi/xbyak/actions/workflows/main.yml)
 
-# Xbyak 5.996 ; JIT assembler for x86(IA32), x64(AMD64, x86-64) by C++
+# Xbyak 5.997 ; JIT assembler for x86(IA32), x64(AMD64, x86-64) by C++
 
 ## Abstract
 
diff --git a/readme.txt b/readme.txt
index 51f2c32..d9bcd3f 100644
--- a/readme.txt
+++ b/readme.txt
@@ -1,5 +1,5 @@
 
-    C++用x86(IA-32), x64(AMD64, x86-64) JITアセンブラ Xbyak 5.996
+    C++用x86(IA-32), x64(AMD64, x86-64) JITアセンブラ Xbyak 5.997
 
 -----------------------------------------------------------------------------
 ◎概要
diff --git a/xbyak/xbyak.h b/xbyak/xbyak.h
index 7700bc4..70f7bac 100644
--- a/xbyak/xbyak.h
+++ b/xbyak/xbyak.h
@@ -142,7 +142,7 @@
 
 enum {
 	DEFAULT_MAX_CODE_SIZE = 4096,
-	VERSION = 0x5996 /* 0xABCD = A.BC(D) */
+	VERSION = 0x5997 /* 0xABCD = A.BC(D) */
 };
 
 #ifndef MIE_INTEGER_TYPE_DEFINED
diff --git a/xbyak/xbyak_mnemonic.h b/xbyak/xbyak_mnemonic.h
index e775fd8..da7a92d 100644
--- a/xbyak/xbyak_mnemonic.h
+++ b/xbyak/xbyak_mnemonic.h
@@ -1,4 +1,4 @@
-const char *getVersionString() const { return "5.996"; }
+const char *getVersionString() const { return "5.997"; }
 void adc(const Operand& op, uint32_t imm) { opRM_I(op, imm, 0x10, 2); }
 void adc(const Operand& op1, const Operand& op2) { opRM_RM(op1, op2, 0x10); }
 void adcx(const Reg32e& reg, const Operand& op) { opGen(reg, op, 0xF6, 0x66, isREG32_REG32orMEM, NONE, 0x38); }