diff --git a/README.md b/README.md
index 87e16d8..d9bbff3 100644
--- a/README.md
+++ b/README.md
@@ -14,4 +14,5 @@ C library to implement
 - text converting multi-byte (UTF-8) character set to double-byte character set and vise-versa
 ## supported architectures
 - x86-64
-- ARMv8 AArch64
\ No newline at end of file
+- ARMv8 AArch64
+- ARMv7
\ No newline at end of file