diff --git a/service/letsencrypt/Containerfile b/service/letsencrypt/Containerfile
index eb10ee6..88b136a 100644
--- a/service/letsencrypt/Containerfile
+++ b/service/letsencrypt/Containerfile
@@ -1,4 +1,4 @@
-FROM docker.io/goacme/lego:v4.5.3
+FROM docker.io/goacme/lego:v4.6.0
 
 RUN addgroup --system --gid 10000 letsencrypt
 RUN adduser --system --uid 10000 --ingroup letsencrypt --home /var/lib/letsencrypt letsencrypt