diff --git a/README.md b/README.md
index b48ee46..11f9269 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ python -m atcoder [your-source-code] -o [single-combined-code]
 
 ### For all users
 
-+ Python 3.7.0+, 3.8.0+
++ Python 3.6.0+, 3.7.0+, 3.8.0+
 + pip
 
 ### For developer
diff --git a/README_ja.md b/README_ja.md
index 65c1003..9f2fb3a 100644
--- a/README_ja.md
+++ b/README_ja.md
@@ -32,7 +32,7 @@ python -m atcoder [your-source-code] -o [single-combined-code]
 
 ### 利用者、開発者向け情報
 
-+ Python 3.7.0+, 3.8.0+
++ Python 3.6.0+, 3.7.0+, 3.8.0+
 + pip
 
 ### 開発者向け情報