diff --git a/10/alpine3.10/Dockerfile b/10/alpine3.10/Dockerfile
index 6f9e6c68..86581733 100644
--- a/10/alpine3.10/Dockerfile
+++ b/10/alpine3.10/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:3.10
 
-ENV NODE_VERSION 10.23.2
+ENV NODE_VERSION 10.23.3
 
 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="b3ae42c904bfda144df81275fbc8ef89baab0babca0f95a1e06f4b4064f3f8ee" \
+          CHECKSUM="0f7cfb9c2b3f2f53d307756a6f824013b5c5f1cba503f55e3ecbc1653786e7b9" \
           ;; \
         *) ;; \
       esac \
diff --git a/10/alpine3.11/Dockerfile b/10/alpine3.11/Dockerfile
index 53484f65..82b0ca5f 100644
--- a/10/alpine3.11/Dockerfile
+++ b/10/alpine3.11/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:3.11
 
-ENV NODE_VERSION 10.23.2
+ENV NODE_VERSION 10.23.3
 
 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="b3ae42c904bfda144df81275fbc8ef89baab0babca0f95a1e06f4b4064f3f8ee" \
+          CHECKSUM="0f7cfb9c2b3f2f53d307756a6f824013b5c5f1cba503f55e3ecbc1653786e7b9" \
           ;; \
         *) ;; \
       esac \
diff --git a/10/buster-slim/Dockerfile b/10/buster-slim/Dockerfile
index 56d8afac..e07e4ca3 100644
--- a/10/buster-slim/Dockerfile
+++ b/10/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 10.23.2
+ENV NODE_VERSION 10.23.3
 
 RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
     && case "${dpkgArch##*-}" in \
diff --git a/10/buster/Dockerfile b/10/buster/Dockerfile
index ace53552..bd3a7fca 100644
--- a/10/buster/Dockerfile
+++ b/10/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 10.23.2
+ENV NODE_VERSION 10.23.3
 
 RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && case "${dpkgArch##*-}" in \
diff --git a/10/stretch-slim/Dockerfile b/10/stretch-slim/Dockerfile
index f7daecc5..a6109bce 100644
--- a/10/stretch-slim/Dockerfile
+++ b/10/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 10.23.2
+ENV NODE_VERSION 10.23.3
 
 RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
     && case "${dpkgArch##*-}" in \
diff --git a/10/stretch/Dockerfile b/10/stretch/Dockerfile
index daa2a992..17f35af0 100644
--- a/10/stretch/Dockerfile
+++ b/10/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 10.23.2
+ENV NODE_VERSION 10.23.3
 
 RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && case "${dpkgArch##*-}" in \
diff --git a/12/alpine3.10/Dockerfile b/12/alpine3.10/Dockerfile
index 19be1014..d4ed67f0 100644
--- a/12/alpine3.10/Dockerfile
+++ b/12/alpine3.10/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:3.10
 
-ENV NODE_VERSION 12.20.1
+ENV NODE_VERSION 12.20.2
 
 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="783fbfc85228418d0630b778214bdcea3a82d5c3ac13aefcc14e4a81e977d9c9" \
+          CHECKSUM="89854b77656f0f7f89e5d1e68c5a2aa6f32d534e9c1646146346a76d4364d1e5" \
           ;; \
         *) ;; \
       esac \
@@ -38,7 +38,7 @@ RUN addgroup -g 1000 node \
     && for key in \
       4ED778F539E3634C779C87C6D7062848A1AB005C \
       94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
-      1C050899334244A8AF75E53792EF661D867B9DFA \
+      74F12602B6F1C4E913FAA37AD3A89613643B6201 \
       71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
       8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600 \
       C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
diff --git a/12/alpine3.11/Dockerfile b/12/alpine3.11/Dockerfile
index 33c824e0..6ccc3f57 100644
--- a/12/alpine3.11/Dockerfile
+++ b/12/alpine3.11/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:3.11
 
-ENV NODE_VERSION 12.20.1
+ENV NODE_VERSION 12.20.2
 
 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="783fbfc85228418d0630b778214bdcea3a82d5c3ac13aefcc14e4a81e977d9c9" \
+          CHECKSUM="89854b77656f0f7f89e5d1e68c5a2aa6f32d534e9c1646146346a76d4364d1e5" \
           ;; \
         *) ;; \
       esac \
@@ -38,7 +38,7 @@ RUN addgroup -g 1000 node \
     && for key in \
       4ED778F539E3634C779C87C6D7062848A1AB005C \
       94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
-      1C050899334244A8AF75E53792EF661D867B9DFA \
+      74F12602B6F1C4E913FAA37AD3A89613643B6201 \
       71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
       8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600 \
       C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
diff --git a/12/alpine3.12/Dockerfile b/12/alpine3.12/Dockerfile
index 5227db8c..e33e1d76 100644
--- a/12/alpine3.12/Dockerfile
+++ b/12/alpine3.12/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:3.12
 
-ENV NODE_VERSION 12.20.1
+ENV NODE_VERSION 12.20.2
 
 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="783fbfc85228418d0630b778214bdcea3a82d5c3ac13aefcc14e4a81e977d9c9" \
+          CHECKSUM="89854b77656f0f7f89e5d1e68c5a2aa6f32d534e9c1646146346a76d4364d1e5" \
           ;; \
         *) ;; \
       esac \
@@ -38,7 +38,7 @@ RUN addgroup -g 1000 node \
     && for key in \
       4ED778F539E3634C779C87C6D7062848A1AB005C \
       94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
-      1C050899334244A8AF75E53792EF661D867B9DFA \
+      74F12602B6F1C4E913FAA37AD3A89613643B6201 \
       71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
       8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600 \
       C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
diff --git a/12/buster-slim/Dockerfile b/12/buster-slim/Dockerfile
index 66fabe41..77b14a44 100644
--- a/12/buster-slim/Dockerfile
+++ b/12/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 12.20.1
+ENV NODE_VERSION 12.20.2
 
 RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
     && case "${dpkgArch##*-}" in \
@@ -22,7 +22,7 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
     && for key in \
       4ED778F539E3634C779C87C6D7062848A1AB005C \
       94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
-      1C050899334244A8AF75E53792EF661D867B9DFA \
+      74F12602B6F1C4E913FAA37AD3A89613643B6201 \
       71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
       8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600 \
       C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
diff --git a/12/buster/Dockerfile b/12/buster/Dockerfile
index 4f617b81..a0a5cd7c 100644
--- a/12/buster/Dockerfile
+++ b/12/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 12.20.1
+ENV NODE_VERSION 12.20.2
 
 RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && case "${dpkgArch##*-}" in \
@@ -20,7 +20,7 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && for key in \
     4ED778F539E3634C779C87C6D7062848A1AB005C \
     94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
-    1C050899334244A8AF75E53792EF661D867B9DFA \
+    74F12602B6F1C4E913FAA37AD3A89613643B6201 \
     71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
     8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600 \
     C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
diff --git a/12/stretch-slim/Dockerfile b/12/stretch-slim/Dockerfile
index 6bb2bc83..2c30bfac 100644
--- a/12/stretch-slim/Dockerfile
+++ b/12/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 12.20.1
+ENV NODE_VERSION 12.20.2
 
 RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
     && case "${dpkgArch##*-}" in \
@@ -22,7 +22,7 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
     && for key in \
       4ED778F539E3634C779C87C6D7062848A1AB005C \
       94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
-      1C050899334244A8AF75E53792EF661D867B9DFA \
+      74F12602B6F1C4E913FAA37AD3A89613643B6201 \
       71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
       8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600 \
       C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
diff --git a/12/stretch/Dockerfile b/12/stretch/Dockerfile
index faa06194..af87aeea 100644
--- a/12/stretch/Dockerfile
+++ b/12/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 12.20.1
+ENV NODE_VERSION 12.20.2
 
 RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && case "${dpkgArch##*-}" in \
@@ -20,7 +20,7 @@ RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && for key in \
     4ED778F539E3634C779C87C6D7062848A1AB005C \
     94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
-    1C050899334244A8AF75E53792EF661D867B9DFA \
+    74F12602B6F1C4E913FAA37AD3A89613643B6201 \
     71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
     8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600 \
     C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
diff --git a/14/alpine3.13/Dockerfile b/14/alpine3.13/Dockerfile
new file mode 100644
index 00000000..1e1d5a4a
--- /dev/null
+++ b/14/alpine3.13/Dockerfile
@@ -0,0 +1,100 @@
+FROM alpine:3.13
+
+ENV NODE_VERSION 14.15.5
+
+RUN addgroup -g 1000 node \
+    && adduser -u 1000 -G node -s /bin/sh -D node \
+    && apk add --no-cache \
+        libstdc++ \
+    && apk add --no-cache --virtual .build-deps \
+        curl \
+    && ARCH= && alpineArch="$(apk --print-arch)" \
+      && case "${alpineArch##*-}" in \
+        x86_64) \
+          ARCH='x64' \
+          CHECKSUM="e7ca0569963c3155d86c51b3855469c3496f0c8d2fce080480d92de5a6287977" \
+          ;; \
+        *) ;; \
+      esac \
+  && if [ -n "${CHECKSUM}" ]; then \
+    set -eu; \
+    curl -fsSLO --compressed "https://unofficial-builds.nodejs.org/download/release/v$NODE_VERSION/node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz"; \
+    echo "$CHECKSUM  node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz" | sha256sum -c - \
+      && tar -xJf "node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
+      && ln -s /usr/local/bin/node /usr/local/bin/nodejs; \
+  else \
+    echo "Building from source" \
+    # backup build
+    && apk add --no-cache --virtual .build-deps-full \
+        binutils-gold \
+        g++ \
+        gcc \
+        gnupg \
+        libgcc \
+        linux-headers \
+        make \
+        python3 \
+    # gpg keys listed at https://github.com/nodejs/node#release-keys
+    && for key in \
+      4ED778F539E3634C779C87C6D7062848A1AB005C \
+      94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
+      74F12602B6F1C4E913FAA37AD3A89613643B6201 \
+      71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
+      8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600 \
+      C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
+      C82FA3AE1CBEDC6BE46B9360C43CEC45C17AB93C \
+      DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
+      A48C2BEE680E841632CD4E44F07496B3EB3C1762 \
+      108F52B48DB57BB0CC439B2997B01419BD92F80A \
+      B9E2F5981AA6E0CD28160D9FF13993A75599653C \
+    ; do \
+      gpg --batch --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" || \
+      gpg --batch --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" || \
+      gpg --batch --keyserver hkp://pgp.mit.edu:80 --recv-keys "$key" ; \
+    done \
+    && curl -fsSLO --compressed "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION.tar.xz" \
+    && curl -fsSLO --compressed "https://nodejs.org/dist/v$NODE_VERSION/SHASUMS256.txt.asc" \
+    && gpg --batch --decrypt --output SHASUMS256.txt SHASUMS256.txt.asc \
+    && grep " node-v$NODE_VERSION.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
+    && tar -xf "node-v$NODE_VERSION.tar.xz" \
+    && cd "node-v$NODE_VERSION" \
+    && ./configure \
+    && make -j$(getconf _NPROCESSORS_ONLN) V= \
+    && make install \
+    && apk del .build-deps-full \
+    && cd .. \
+    && rm -Rf "node-v$NODE_VERSION" \
+    && rm "node-v$NODE_VERSION.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt; \
+  fi \
+  && rm -f "node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz" \
+  && apk del .build-deps \
+  # smoke tests
+  && node --version \
+  && npm --version
+
+ENV YARN_VERSION 1.22.5
+
+RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
+  && for key in \
+    6A010C5166006599AA17F08146C2130DFD2497F5 \
+  ; do \
+    gpg --batch --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" || \
+    gpg --batch --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --batch --keyserver hkp://pgp.mit.edu:80 --recv-keys "$key" ; \
+  done \
+  && curl -fsSLO --compressed "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-v$YARN_VERSION.tar.gz" \
+  && curl -fsSLO --compressed "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-v$YARN_VERSION.tar.gz.asc" \
+  && gpg --batch --verify yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
+  && mkdir -p /opt \
+  && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
+  && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
+  && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
+  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
+  && apk del .build-deps-yarn \
+  # smoke test
+  && yarn --version
+
+COPY docker-entrypoint.sh /usr/local/bin/
+ENTRYPOINT ["docker-entrypoint.sh"]
+
+CMD [ "node" ]
diff --git a/14/alpine3.13/docker-entrypoint.sh b/14/alpine3.13/docker-entrypoint.sh
new file mode 100755
index 00000000..de6fa8a9
--- /dev/null
+++ b/14/alpine3.13/docker-entrypoint.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+set -e
+
+if [ "${1#-}" != "${1}" ] || [ -z "$(command -v "${1}")" ]; then
+  set -- node "$@"
+fi
+
+exec "$@"
diff --git a/14/architectures b/14/architectures
index e5967159..253f4aa7 100644
--- a/14/architectures
+++ b/14/architectures
@@ -1,7 +1,7 @@
 bashbrew-arch  variants
-amd64          alpine3.10,alpine3.11,alpine3.12,buster,buster-slim,stretch,stretch-slim
-arm32v6        alpine3.10,alpine3.11,alpine3.12
-arm32v7        alpine3.10,alpine3.11,alpine3.12,buster,buster-slim,stretch,stretch-slim
-arm64v8        alpine3.10,alpine3.11,alpine3.12,buster,buster-slim,stretch,stretch-slim
-ppc64le        alpine3.10,alpine3.11,alpine3.12,buster,buster-slim
-s390x          alpine3.10,alpine3.11,alpine3.12,buster,buster-slim
+amd64          alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim,stretch,stretch-slim
+arm32v6        alpine3.10,alpine3.11,alpine3.12,alpine3.13
+arm32v7        alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim,stretch,stretch-slim
+arm64v8        alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim,stretch,stretch-slim
+ppc64le        alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim
+s390x          alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim
diff --git a/15/alpine3.13/Dockerfile b/15/alpine3.13/Dockerfile
new file mode 100644
index 00000000..081d521c
--- /dev/null
+++ b/15/alpine3.13/Dockerfile
@@ -0,0 +1,100 @@
+FROM alpine:3.13
+
+ENV NODE_VERSION 15.8.0
+
+RUN addgroup -g 1000 node \
+    && adduser -u 1000 -G node -s /bin/sh -D node \
+    && apk add --no-cache \
+        libstdc++ \
+    && apk add --no-cache --virtual .build-deps \
+        curl \
+    && ARCH= && alpineArch="$(apk --print-arch)" \
+      && case "${alpineArch##*-}" in \
+        x86_64) \
+          ARCH='x64' \
+          CHECKSUM="88143a3be735d35e43191f0757ac1279fd11d39ff7373579eb4a7f677875ec1a" \
+          ;; \
+        *) ;; \
+      esac \
+  && if [ -n "${CHECKSUM}" ]; then \
+    set -eu; \
+    curl -fsSLO --compressed "https://unofficial-builds.nodejs.org/download/release/v$NODE_VERSION/node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz"; \
+    echo "$CHECKSUM  node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz" | sha256sum -c - \
+      && tar -xJf "node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
+      && ln -s /usr/local/bin/node /usr/local/bin/nodejs; \
+  else \
+    echo "Building from source" \
+    # backup build
+    && apk add --no-cache --virtual .build-deps-full \
+        binutils-gold \
+        g++ \
+        gcc \
+        gnupg \
+        libgcc \
+        linux-headers \
+        make \
+        python3 \
+    # gpg keys listed at https://github.com/nodejs/node#release-keys
+    && for key in \
+      4ED778F539E3634C779C87C6D7062848A1AB005C \
+      94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
+      74F12602B6F1C4E913FAA37AD3A89613643B6201 \
+      71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
+      8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600 \
+      C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
+      C82FA3AE1CBEDC6BE46B9360C43CEC45C17AB93C \
+      DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
+      A48C2BEE680E841632CD4E44F07496B3EB3C1762 \
+      108F52B48DB57BB0CC439B2997B01419BD92F80A \
+      B9E2F5981AA6E0CD28160D9FF13993A75599653C \
+    ; do \
+      gpg --batch --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" || \
+      gpg --batch --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" || \
+      gpg --batch --keyserver hkp://pgp.mit.edu:80 --recv-keys "$key" ; \
+    done \
+    && curl -fsSLO --compressed "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION.tar.xz" \
+    && curl -fsSLO --compressed "https://nodejs.org/dist/v$NODE_VERSION/SHASUMS256.txt.asc" \
+    && gpg --batch --decrypt --output SHASUMS256.txt SHASUMS256.txt.asc \
+    && grep " node-v$NODE_VERSION.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
+    && tar -xf "node-v$NODE_VERSION.tar.xz" \
+    && cd "node-v$NODE_VERSION" \
+    && ./configure \
+    && make -j$(getconf _NPROCESSORS_ONLN) V= \
+    && make install \
+    && apk del .build-deps-full \
+    && cd .. \
+    && rm -Rf "node-v$NODE_VERSION" \
+    && rm "node-v$NODE_VERSION.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt; \
+  fi \
+  && rm -f "node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz" \
+  && apk del .build-deps \
+  # smoke tests
+  && node --version \
+  && npm --version
+
+ENV YARN_VERSION 1.22.5
+
+RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
+  && for key in \
+    6A010C5166006599AA17F08146C2130DFD2497F5 \
+  ; do \
+    gpg --batch --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" || \
+    gpg --batch --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --batch --keyserver hkp://pgp.mit.edu:80 --recv-keys "$key" ; \
+  done \
+  && curl -fsSLO --compressed "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-v$YARN_VERSION.tar.gz" \
+  && curl -fsSLO --compressed "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-v$YARN_VERSION.tar.gz.asc" \
+  && gpg --batch --verify yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
+  && mkdir -p /opt \
+  && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
+  && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
+  && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
+  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
+  && apk del .build-deps-yarn \
+  # smoke test
+  && yarn --version
+
+COPY docker-entrypoint.sh /usr/local/bin/
+ENTRYPOINT ["docker-entrypoint.sh"]
+
+CMD [ "node" ]
diff --git a/15/alpine3.13/docker-entrypoint.sh b/15/alpine3.13/docker-entrypoint.sh
new file mode 100755
index 00000000..de6fa8a9
--- /dev/null
+++ b/15/alpine3.13/docker-entrypoint.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+set -e
+
+if [ "${1#-}" != "${1}" ] || [ -z "$(command -v "${1}")" ]; then
+  set -- node "$@"
+fi
+
+exec "$@"
diff --git a/15/architectures b/15/architectures
index e5967159..253f4aa7 100644
--- a/15/architectures
+++ b/15/architectures
@@ -1,7 +1,7 @@
 bashbrew-arch  variants
-amd64          alpine3.10,alpine3.11,alpine3.12,buster,buster-slim,stretch,stretch-slim
-arm32v6        alpine3.10,alpine3.11,alpine3.12
-arm32v7        alpine3.10,alpine3.11,alpine3.12,buster,buster-slim,stretch,stretch-slim
-arm64v8        alpine3.10,alpine3.11,alpine3.12,buster,buster-slim,stretch,stretch-slim
-ppc64le        alpine3.10,alpine3.11,alpine3.12,buster,buster-slim
-s390x          alpine3.10,alpine3.11,alpine3.12,buster,buster-slim
+amd64          alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim,stretch,stretch-slim
+arm32v6        alpine3.10,alpine3.11,alpine3.12,alpine3.13
+arm32v7        alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim,stretch,stretch-slim
+arm64v8        alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim,stretch,stretch-slim
+ppc64le        alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim
+s390x          alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim
diff --git a/architectures b/architectures
index 09ace846..9c2484dd 100644
--- a/architectures
+++ b/architectures
@@ -1,8 +1,8 @@
 bashbrew-arch  variants
-amd64          alpine3.10,alpine3.11,alpine3.12,buster,buster-slim,stretch,stretch-slim
-arm32v6        alpine3.10,alpine3.11,alpine3.12
-arm32v7        alpine3.10,alpine3.11,alpine3.12,buster,buster-slim,stretch,stretch-slim
-arm64v8        alpine3.10,alpine3.11,alpine3.12,buster,buster-slim,stretch,stretch-slim
-i386           alpine3.10,alpine3.11,alpine3.12
-ppc64le        alpine3.10,alpine3.11,alpine3.12,buster,buster-slim
-s390x          alpine3.10,alpine3.11,alpine3.12,buster,buster-slim
+amd64          alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim,stretch,stretch-slim
+arm32v6        alpine3.10,alpine3.11,alpine3.12,alpine3.13
+arm32v7        alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim,stretch,stretch-slim
+arm64v8        alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim,stretch,stretch-slim
+i386           alpine3.10,alpine3.11,alpine3.12,alpine3.13
+ppc64le        alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim
+s390x          alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim