diff --git a/doc/changelog.md b/doc/changelog.md
index 93d23d9..f59117b 100644
--- a/doc/changelog.md
+++ b/doc/changelog.md
@@ -1,5 +1,6 @@
 # History
 
+* 2022/Aug/02 ver 6.61.1 noexcept is supported by Visual Studio 2015 or later
 * 2022/Jul/29 ver 6.61 fix exception of movzx eax, ah in 64-bit mode
 * 2022/Jun/16 ver 6.60.2 fix detection of GFNI, VAES, and VPCLMULQDQ
 * 2022/Jun/15 ver 6.60.1 fix link error of Xbyak::util::Cpu on Visual Studio with /O0 option
diff --git a/readme.txt b/readme.txt
index 3928831..a4c6a4c 100644
--- a/readme.txt
+++ b/readme.txt
@@ -400,6 +400,7 @@
 -----------------------------------------------------------------------------
 ◎履歴
 
+2022/08/02 ver 6.61.1 noexceptはVisual Studio 2015以降対応
 2022/07/29 ver 6.61 movzx eax, ahがエラーになるのを修正
 2022/06/16 ver 6.60.2 GFNI, VAES, VPCLMULQDQの判定修正
 2022/06/15 ver 6.60.1 Visual Studio /O0でXbyak::util::Cpuがリンクエラーになるのに対応