diff --git a/13/alpine3.10/Dockerfile b/13/alpine3.10/Dockerfile
index 81ca97417a..d63a228ed0 100644
--- a/13/alpine3.10/Dockerfile
+++ b/13/alpine3.10/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:3.10
 
-ENV NODE_VERSION 13.10.1
+ENV NODE_VERSION 13.11.0
 
 RUN addgroup -g 1000 node \
     && adduser -u 1000 -G node -s /bin/sh -D node \
@@ -12,7 +12,7 @@ RUN addgroup -g 1000 node \
       && case "${alpineArch##*-}" in \
         x86_64) \
           ARCH='x64' \
-          CHECKSUM="b5b1af4f97bf8759e0de58e0d659ffa81db4857500e56e2b0b3f5948351a9bfa" \
+          CHECKSUM="3bbdfc77adc4682ac5d9907021494b37f365c3d7e3952b2efbc70d0512fad907" \
           ;; \
         *) ;; \
       esac \
@@ -72,7 +72,7 @@ RUN addgroup -g 1000 node \
   && node --version \
   && npm --version
 
-ENV YARN_VERSION 1.22.0
+ENV YARN_VERSION 1.22.4
 
 RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
   && for key in \
diff --git a/13/alpine3.11/Dockerfile b/13/alpine3.11/Dockerfile
index 406689ec23..4485f930f1 100644
--- a/13/alpine3.11/Dockerfile
+++ b/13/alpine3.11/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:3.11
 
-ENV NODE_VERSION 13.10.1
+ENV NODE_VERSION 13.11.0
 
 RUN addgroup -g 1000 node \
     && adduser -u 1000 -G node -s /bin/sh -D node \
@@ -12,7 +12,7 @@ RUN addgroup -g 1000 node \
       && case "${alpineArch##*-}" in \
         x86_64) \
           ARCH='x64' \
-          CHECKSUM="b5b1af4f97bf8759e0de58e0d659ffa81db4857500e56e2b0b3f5948351a9bfa" \
+          CHECKSUM="3bbdfc77adc4682ac5d9907021494b37f365c3d7e3952b2efbc70d0512fad907" \
           ;; \
         *) ;; \
       esac \
@@ -72,7 +72,7 @@ RUN addgroup -g 1000 node \
   && node --version \
   && npm --version
 
-ENV YARN_VERSION 1.22.0
+ENV YARN_VERSION 1.22.4
 
 RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
   && for key in \
diff --git a/13/buster-slim/Dockerfile b/13/buster-slim/Dockerfile
index 64613e5855..a617b24211 100644
--- a/13/buster-slim/Dockerfile
+++ b/13/buster-slim/Dockerfile
@@ -3,7 +3,7 @@ FROM debian:buster-slim
 RUN groupadd --gid 1000 node \
   && useradd --uid 1000 --gid node --shell /bin/bash --create-home node
 
-ENV NODE_VERSION 13.10.1
+ENV NODE_VERSION 13.11.0
 
 RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
     && case "${dpkgArch##*-}" in \
@@ -56,7 +56,7 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
     && node --version \
     && npm --version
 
-ENV YARN_VERSION 1.22.0
+ENV YARN_VERSION 1.22.4
 
 RUN set -ex \
   && savedAptMark="$(apt-mark showmanual)" \
diff --git a/13/buster/Dockerfile b/13/buster/Dockerfile
index 07ea5974ca..4cb179436b 100644
--- a/13/buster/Dockerfile
+++ b/13/buster/Dockerfile
@@ -3,7 +3,7 @@ FROM buildpack-deps:buster
 RUN groupadd --gid 1000 node \
   && useradd --uid 1000 --gid node --shell /bin/bash --create-home node
 
-ENV NODE_VERSION 13.10.1
+ENV NODE_VERSION 13.11.0
 
 RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && case "${dpkgArch##*-}" in \
@@ -45,7 +45,7 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && node --version \
   && npm --version
 
-ENV YARN_VERSION 1.22.0
+ENV YARN_VERSION 1.22.4
 
 RUN set -ex \
   && for key in \
diff --git a/13/stretch-slim/Dockerfile b/13/stretch-slim/Dockerfile
index 8385820095..229febaab3 100644
--- a/13/stretch-slim/Dockerfile
+++ b/13/stretch-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 13.10.1
+ENV NODE_VERSION 13.11.0
 
 RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
     && case "${dpkgArch##*-}" in \
@@ -56,7 +56,7 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
     && node --version \
     && npm --version
 
-ENV YARN_VERSION 1.22.0
+ENV YARN_VERSION 1.22.4
 
 RUN set -ex \
   && savedAptMark="$(apt-mark showmanual)" \
diff --git a/13/stretch/Dockerfile b/13/stretch/Dockerfile
index f673eda727..1b09ba0599 100644
--- a/13/stretch/Dockerfile
+++ b/13/stretch/Dockerfile
@@ -3,7 +3,7 @@ FROM buildpack-deps:stretch
 RUN groupadd --gid 1000 node \
   && useradd --uid 1000 --gid node --shell /bin/bash --create-home node
 
-ENV NODE_VERSION 13.10.1
+ENV NODE_VERSION 13.11.0
 
 RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && case "${dpkgArch##*-}" in \
@@ -45,7 +45,7 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && node --version \
   && npm --version
 
-ENV YARN_VERSION 1.22.0
+ENV YARN_VERSION 1.22.4
 
 RUN set -ex \
   && for key in \
diff --git a/test-build.sh b/test-build.sh
index 4f18016c8c..6614725d35 100755
--- a/test-build.sh
+++ b/test-build.sh
@@ -74,9 +74,6 @@ for version in "${versions[@]}"; do
   tag=$(get_tag "${version}")
   full_version=$(get_full_version "${version}")
 
-  build "${version}" "default" "${tag}"
-  test_image "${full_version}" "default" "${tag}"
-
   # Get supported variants according to the target architecture.
   # See details in function.sh
   IFS=' ' read -ra variants <<< "$(get_variants "$(dirname "${version}")" "${variant_arg[@]}")"