diff --git a/one-container/pihole-unbound/Dockerfile b/one-container/pihole-unbound/Dockerfile
index 62ee291..f398f27 100644
--- a/one-container/pihole-unbound/Dockerfile
+++ b/one-container/pihole-unbound/Dockerfile
@@ -1,4 +1,4 @@
-FROM pihole/pihole:2021.10.1
+FROM pihole/pihole:2021.12
 RUN apt update && apt install -y unbound
 
 COPY lighttpd-external.conf /etc/lighttpd/external.conf 
diff --git a/one-container/pihole-unbound/VERSION b/one-container/pihole-unbound/VERSION
index bb762ff..0038873 100644
--- a/one-container/pihole-unbound/VERSION
+++ b/one-container/pihole-unbound/VERSION
@@ -1 +1 @@
-2021.10.1
+2021.12