diff --git a/readme.md b/readme.md
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--- a/readme.md
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@@ -1,5 +1,5 @@
 
-# Xbyak 5.71 ; JIT assembler for x86(IA32), x64(AMD64, x86-64) by C++
+# Xbyak 5.72 ; JIT assembler for x86(IA32), x64(AMD64, x86-64) by C++
 
 ## Abstract