diff --git a/Dockerfile b/Dockerfile
index a058c3c..67e1f90 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/thallian/confd-env:3.16
+FROM docker.io/thallian/confd-env:3.17
 
 RUN apk add --no-cache \
     postfix \