diff --git a/certbot/Dockerfile b/certbot/Dockerfile
index f9acecc..d8e477e 100644
--- a/certbot/Dockerfile
+++ b/certbot/Dockerfile
@@ -27,7 +27,7 @@ RUN apk --no-cache add \
 
 RUN pip install acme
 
-ENV CERTBOT_VERSION 0.19.0
+ENV CERTBOT_VERSION 0.20.0
 
 RUN buildDeps=' \
 		git \
diff --git a/wireguard/Dockerfile b/wireguard/Dockerfile
index bc4dc09..8fe3732 100644
--- a/wireguard/Dockerfile
+++ b/wireguard/Dockerfile
@@ -17,7 +17,7 @@ RUN apk add --no-cache \
 	libmnl-dev
 
 # https://git.zx2c4.com/WireGuard/refs/
-ENV WIREGUARD_VERSION 0.0.20171127
+ENV WIREGUARD_VERSION 0.0.20171211
 
 RUN set -x \
 	&& apk add --no-cache --virtual .build-deps \