diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9660119..0b33f3b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.5)
 
-project(xbyak LANGUAGES CXX VERSION 7.05)
+project(xbyak LANGUAGES CXX VERSION 7.05.1)
 
 file(GLOB headers xbyak/*.h)
 
diff --git a/doc/changelog.md b/doc/changelog.md
index 027757b..7eec1a4 100644
--- a/doc/changelog.md
+++ b/doc/changelog.md
@@ -1,5 +1,6 @@
 # History
 
+* 2024/Feb/11 ver 7.05.1 fix extractBit() in util::Cpu and align() for autoGrow mode
 * 2024/Jan/03 ver 7.05 support RAO-INT for APX
 * 2023/Dec/28 ver 7.04 rex2 supports two-byte opecode
 * 2023/Dec/26 ver 7.03 set the default value of dfv to 0
diff --git a/meson.build b/meson.build
index dbe4e8a..9e82420 100644
--- a/meson.build
+++ b/meson.build
@@ -5,7 +5,7 @@
 project(
 	'xbyak',
 	'cpp',
-	version: '7.05',
+	version: '7.05.1',
 	license: 'BSD-3-Clause',
 	default_options: 'b_ndebug=if-release'
 )
diff --git a/readme.md b/readme.md
index 7e5e9f2..9caddf9 100644
--- a/readme.md
+++ b/readme.md
@@ -1,5 +1,5 @@
 
-# Xbyak 7.05 [![Badge Build]][Build Status]
+# Xbyak 7.05.1 [![Badge Build]][Build Status]
 
 *A C++ JIT assembler for x86 (IA32), x64 (AMD64, x86-64)*
 
diff --git a/readme.txt b/readme.txt
index fb0f374..158dc94 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 7.05
+    C++用x86(IA-32), x64(AMD64, x86-64) JITアセンブラ Xbyak 7.05.1
 
 -----------------------------------------------------------------------------
 ◎概要
@@ -404,6 +404,7 @@
 -----------------------------------------------------------------------------
 ◎履歴
 
+2024/02/11 ver 7.05.1 util::CpuのextractBit()とautoGrowモードでのalign()の修正
 2024/01/03 ver 7.05 APX対応RAO-INT
 2023/12/28 ver 7.04 2バイトオペコードのrex2対応
 2023/12/26 ver 7.03 dfvのデフォルト値を0に設定
diff --git a/xbyak/xbyak.h b/xbyak/xbyak.h
index 66948ad..66391ba 100644
--- a/xbyak/xbyak.h
+++ b/xbyak/xbyak.h
@@ -155,7 +155,7 @@
 
 enum {
 	DEFAULT_MAX_CODE_SIZE = 4096,
-	VERSION = 0x7050 /* 0xABCD = A.BC(.D) */
+	VERSION = 0x7051 /* 0xABCD = A.BC(.D) */
 };
 
 #ifndef MIE_INTEGER_TYPE_DEFINED
diff --git a/xbyak/xbyak_mnemonic.h b/xbyak/xbyak_mnemonic.h
index ac2a38f..f64b699 100644
--- a/xbyak/xbyak_mnemonic.h
+++ b/xbyak/xbyak_mnemonic.h
@@ -1,4 +1,4 @@
-const char *getVersionString() const { return "7.05"; }
+const char *getVersionString() const { return "7.05.1"; }
 void aadd(const Address& addr, const Reg32e &reg) { opMR(addr, reg, T_0F38, 0x0FC, T_APX); }
 void aand(const Address& addr, const Reg32e &reg) { opMR(addr, reg, T_0F38|T_66, 0x0FC, T_APX|T_66); }
 void adc(const Operand& op, uint32_t imm) { opOI(op, imm, 0x10, 2); }