diff --git a/12/buster-slim/Dockerfile b/12/buster-slim/Dockerfile
index 89aa32e4..7b074dff 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 12.6.0
+ENV NODE_VERSION 12.7.0
 
 RUN buildDeps='xz-utils' \
     && ARCH= && dpkgArch="$(dpkg --print-architecture)" \
@@ -45,7 +45,7 @@ RUN buildDeps='xz-utils' \
     && apt-get purge -y --auto-remove $buildDeps \
     && ln -s /usr/local/bin/node /usr/local/bin/nodejs
 
-ENV YARN_VERSION 1.16.0
+ENV YARN_VERSION 1.17.3
 
 RUN set -ex \
   && for key in \
diff --git a/12/buster/Dockerfile b/12/buster/Dockerfile
index a1d55dac..2ff55970 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 12.6.0
+ENV NODE_VERSION 12.7.0
 
 RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
   && case "${dpkgArch##*-}" in \
@@ -42,7 +42,7 @@ 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 1.16.0
+ENV YARN_VERSION 1.17.3
 
 RUN set -ex \
   && for key in \