diff --git a/letsencrypt/CHANGELOG.md b/letsencrypt/CHANGELOG.md
index 0561ac4..7a97a51 100644
--- a/letsencrypt/CHANGELOG.md
+++ b/letsencrypt/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 4.12.1
+
+- Set preferred chain to "ISRG Root X1"
+
 ## 4.12.0
 
 - Update Certbot 1.21.0 & Plugins
diff --git a/letsencrypt/config.yaml b/letsencrypt/config.yaml
index 822fa33..02c0fa2 100644
--- a/letsencrypt/config.yaml
+++ b/letsencrypt/config.yaml
@@ -1,5 +1,5 @@
 ---
-version: 4.12.0
+version: 4.12.1
 slug: letsencrypt
 name: Let's Encrypt
 description: Manage certificate from Let's Encrypt