diff --git a/Dockerfile b/Dockerfile
index 12d3f73..3da8fc0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -64,9 +64,9 @@ FROM build-base AS unbound
 
 WORKDIR /src
 
-ARG UNBOUND_VERSION=1.23.0
-# https://nlnetlabs.nl/downloads/unbound/unbound-1.23.0.tar.gz.sha256
-ARG UNBOUND_SHA256="959bd5f3875316d7b3f67ee237a56de5565f5b35fc9b5fc3cea6cfe735a03bb8"
+ARG UNBOUND_VERSION=1.23.1
+# https://nlnetlabs.nl/downloads/unbound/unbound-1.23.1.tar.gz.sha256
+ARG UNBOUND_SHA256="6a6b117c799d8de3868643397e0fd71591f6d42f4473f598bdb22609ff362590"
 
 ADD https://nlnetlabs.nl/downloads/unbound/unbound-${UNBOUND_VERSION}.tar.gz unbound.tar.gz
 
diff --git a/rootfs_overlay/etc/unbound/unbound.conf.example b/rootfs_overlay/etc/unbound/unbound.conf.example
index 1a177c5..3a5188f 100644
--- a/rootfs_overlay/etc/unbound/unbound.conf.example
+++ b/rootfs_overlay/etc/unbound/unbound.conf.example
@@ -1,7 +1,7 @@
 #
 # Example configuration file.
 #
-# See unbound.conf(5) man page, version 1.23.0.
+# See unbound.conf(5) man page, version 1.23.1.
 #
 # this is a comment.