diff --git a/netlify.toml b/netlify.toml
index a8026c60..3a42bb50 100644
--- a/netlify.toml
+++ b/netlify.toml
@@ -14,7 +14,7 @@
     Content-Security-Policy = "form-action https:"
     X-Content-Type-Options = "nosniff"
     Referrer-Policy = "origin-when-cross-origin"
-    Strict-Transport-Security = "max-age=2592000"
+    Strict-Transport-Security = "max-age=31536000"
     Permissions-Policy = "vibrate=(), geolocation=(), midi=(), notifications=(), push=(), microphone=(), camera=(), magnetometer=(), gyroscope=(), speaker=()"
     X-Frame-Options = "DENY"
 [[headers]]