diff --git a/11/alpine/Dockerfile b/11/alpine/Dockerfile
index e8ad5463..26327435 100644
--- a/11/alpine/Dockerfile
+++ b/11/alpine/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:3.8
 
-ENV NODE_VERSION 11.0.0
+ENV NODE_VERSION 11.1.0
 
 RUN addgroup -g 1000 node \
     && adduser -u 1000 -G node -s /bin/sh -D node \
@@ -46,7 +46,7 @@ RUN addgroup -g 1000 node \
     && rm -Rf "node-v$NODE_VERSION" \
     && rm "node-v$NODE_VERSION.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt
 
-ENV YARN_VERSION 1.10.1
+ENV YARN_VERSION 1.12.1
 
 RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
   && for key in \
diff --git a/11/slim/Dockerfile b/11/slim/Dockerfile
index 37ff88f3..f84f2b73 100644
--- a/11/slim/Dockerfile
+++ b/11/slim/Dockerfile
@@ -3,7 +3,7 @@ FROM debian:stretch-slim
 RUN groupadd --gid 1000 node \
   && useradd --uid 1000 --gid node --shell /bin/bash --create-home node
 
-ENV NODE_VERSION 11.0.0
+ENV NODE_VERSION 11.1.0
 
 RUN buildDeps='xz-utils' \
     && ARCH= && dpkgArch="$(dpkg --print-architecture)" \
@@ -43,7 +43,7 @@ RUN buildDeps='xz-utils' \
     && apt-get purge -y --auto-remove $buildDeps \
     && ln -s /usr/local/bin/node /usr/local/bin/nodejs
 
-ENV YARN_VERSION 1.10.1
+ENV YARN_VERSION 1.12.1
 
 RUN set -ex \
   && for key in \
diff --git a/11/stretch/Dockerfile b/11/stretch/Dockerfile
index 3ad8c2c5..1e4a72fd 100644
--- a/11/stretch/Dockerfile
+++ b/11/stretch/Dockerfile
@@ -3,8 +3,20 @@ FROM buildpack-deps:stretch
 RUN groupadd --gid 1000 node \
   && useradd --uid 1000 --gid node --shell /bin/bash --create-home node
 
-# gpg keys listed at https://github.com/nodejs/node#release-team
-RUN set -ex \
+ENV NODE_VERSION 11.1.0
+
+RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
+  && case "${dpkgArch##*-}" in \
+    amd64) ARCH='x64';; \
+    ppc64el) ARCH='ppc64le';; \
+    s390x) ARCH='s390x';; \
+    arm64) ARCH='arm64';; \
+    armhf) ARCH='armv7l';; \
+    i386) ARCH='x86';; \
+    *) echo "unsupported architecture"; exit 1 ;; \
+  esac \
+  # gpg keys listed at https://github.com/nodejs/node#release-team
+  && set -ex \
   && for key in \
     94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
     FD3A5288F042B6850C66B31F09FE44734EB7990E \
@@ -19,20 +31,7 @@ RUN set -ex \
     gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" || \
     gpg --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" || \
     gpg --keyserver hkp://pgp.mit.edu:80 --recv-keys "$key" ; \
-  done
-
-ENV NODE_VERSION 11.0.0
-
-RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
-  && case "${dpkgArch##*-}" in \
-    amd64) ARCH='x64';; \
-    ppc64el) ARCH='ppc64le';; \
-    s390x) ARCH='s390x';; \
-    arm64) ARCH='arm64';; \
-    armhf) ARCH='armv7l';; \
-    i386) ARCH='x86';; \
-    *) echo "unsupported architecture"; exit 1 ;; \
-  esac \
+  done \
   && curl -fsSLO --compressed "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-$ARCH.tar.xz" \
   && curl -fsSLO --compressed "https://nodejs.org/dist/v$NODE_VERSION/SHASUMS256.txt.asc" \
   && gpg --batch --decrypt --output SHASUMS256.txt SHASUMS256.txt.asc \
@@ -41,7 +40,7 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
   && ln -s /usr/local/bin/node /usr/local/bin/nodejs
 
-ENV YARN_VERSION 1.10.1
+ENV YARN_VERSION 1.12.1
 
 RUN set -ex \
   && for key in \