diff --git a/.circleci/config.yml b/.circleci/config.yml
index 7d5a01117c..c52ca8658e 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,7 +2,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: gcr.io/istio-testing/website-builder:2018-10-08
+      - image: gcr.io/istio-testing/website-builder:2018-11-26
 
     working_directory: ~/site
 
diff --git a/Makefile b/Makefile
index 513bbf674c..807a05b419 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 
-img := gcr.io/istio-testing/website-builder:2018-10-08
+img := gcr.io/istio-testing/website-builder:2018-11-26
 docker := docker run -t -i --sig-proxy=true --rm -v $(shell pwd):/site -w /site $(img)
 
 ifeq ($(CONTEXT),production)
diff --git a/netlify.toml b/netlify.toml
index 22468c6309..d2edc7795c 100644
--- a/netlify.toml
+++ b/netlify.toml
@@ -3,4 +3,4 @@
     command = "make netlify"
 
 [build.environment]
-    HUGO_VERSION = "0.49"
+    HUGO_VERSION = "0.51"
diff --git a/scripts/Dockerfile b/scripts/Dockerfile
index 35065ea5f1..9f4c4b80bd 100644
--- a/scripts/Dockerfile
+++ b/scripts/Dockerfile
@@ -17,7 +17,7 @@ RUN apk add --no-cache \
     bash \
     && apk add --no-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing/ --allow-untrusted gnu-libiconv
 
-ENV HUGO_VERSION=0.49
+ENV HUGO_VERSION=0.51
 ADD https://github.com/gohugoio/hugo/releases/download/v${HUGO_VERSION}/hugo_${HUGO_VERSION}_Linux-64bit.tar.gz /tmp
 RUN tar -xf /tmp/hugo_${HUGO_VERSION}_Linux-64bit.tar.gz -C /tmp \
     && mkdir -p /usr/local/sbin \