diff --git a/gemini/EN/install.gmi b/gemini/EN/install.gmi
index 0eb54ba7..6f0b419c 100644
--- a/gemini/EN/install.gmi
+++ b/gemini/EN/install.gmi
@@ -158,7 +158,7 @@ Enable the site:
 
 Forward port 443 from your internet router to your server. If you have dynamic DNS make sure its configured. Add a TLS certificate:
 
-    certbot certonly -n --server https://acme-v01.api.letsencrypt.org/directory --standalone -d YOUR_DOMAIN --renew-by-default --agree-tos --email YOUR_EMAIL
+    certbot certonly -n --server https://acme-v02.api.letsencrypt.org/directory --standalone -d YOUR_DOMAIN --renew-by-default --agree-tos --email YOUR_EMAIL
 
 Restart your web server:
 
diff --git a/website/EN/index.html b/website/EN/index.html
index 712b11ea..fec43112 100644
--- a/website/EN/index.html
+++ b/website/EN/index.html
@@ -1444,7 +1444,7 @@
       Forward port 443 from your internet router to your server. If you have dynamic DNS make sure its configured. Add a TLS certificate:
     </p>
     <div class="shell">
-      certbot certonly -n --server https://acme-v01.api.letsencrypt.org/directory --standalone -d YOUR_DOMAIN --renew-by-default --agree-tos --email YOUR_EMAIL
+      certbot certonly -n --server https://acme-v02.api.letsencrypt.org/directory --standalone -d YOUR_DOMAIN --renew-by-default --agree-tos --email YOUR_EMAIL
     </div>
     <p class="intro">
       Restart your web server: