diff --git a/README.md b/README.md
index 1ab5572..22e2093 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # 1. GPG Key
 
-expired after 2021/12/27
+expired after 2026/07/18
 
 ```
 -----BEGIN PGP PUBLIC KEY BLOCK-----