diff --git a/Dockerfile b/Dockerfile
index 22eb0de..cb7913d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,9 +3,9 @@ ARG TAG='latest'
 
 FROM debian:bullseye as unbound
 
-ARG UNBOUND_VERSION=1.21.1
-ARG UNBOUND_SHA256=3036d23c23622b36d3c87e943117bdec1ac8f819636eb978d806416b0fa9ea46
-ARG UNBOUND_DOWNLOAD_URL=https://nlnetlabs.nl/downloads/unbound/unbound-1.21.1.tar.gz
+ARG UNBOUND_VERSION=1.22.0
+ARG UNBOUND_SHA256=c5dd1bdef5d5685b2cedb749158dd152c52d44f65529a34ac15cd88d4b1b3d43
+ARG UNBOUND_DOWNLOAD_URL=https://nlnetlabs.nl/downloads/unbound/unbound-1.22.0.tar.gz
 
 WORKDIR /tmp/src