diff --git a/4.8/Dockerfile b/4.8/Dockerfile
index c5258612e3..fb8981cf1e 100644
--- a/4.8/Dockerfile
+++ b/4.8/Dockerfile
@@ -31,7 +31,7 @@ RUN curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-
   && rm "node-v$NODE_VERSION-linux-x64.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
   && ln -s /usr/local/bin/node /usr/local/bin/nodejs
 
-ENV YARN_VERSION 0.24.4
+ENV YARN_VERSION 0.24.6
 
 RUN set -ex \
   && for key in \
diff --git a/4.8/alpine/Dockerfile b/4.8/alpine/Dockerfile
index b7196b866d..146739a378 100644
--- a/4.8/alpine/Dockerfile
+++ b/4.8/alpine/Dockerfile
@@ -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 0.24.4
+ENV YARN_VERSION 0.24.6
 
 RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
   && for key in \
diff --git a/4.8/slim/Dockerfile b/4.8/slim/Dockerfile
index 1ec38cee5d..209e67b287 100644
--- a/4.8/slim/Dockerfile
+++ b/4.8/slim/Dockerfile
@@ -36,7 +36,7 @@ RUN buildDeps='xz-utils' \
     && apt-get purge -y --auto-remove $buildDeps \
     && ln -s /usr/local/bin/node /usr/local/bin/nodejs
 
-ENV YARN_VERSION 0.24.4
+ENV YARN_VERSION 0.24.6
 
 RUN set -ex \
   && for key in \
diff --git a/4.8/wheezy/Dockerfile b/4.8/wheezy/Dockerfile
index 0e56f16c77..c61e9b8503 100644
--- a/4.8/wheezy/Dockerfile
+++ b/4.8/wheezy/Dockerfile
@@ -31,7 +31,7 @@ RUN curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-
   && rm "node-v$NODE_VERSION-linux-x64.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
   && ln -s /usr/local/bin/node /usr/local/bin/nodejs
 
-ENV YARN_VERSION 0.24.4
+ENV YARN_VERSION 0.24.6
 
 RUN set -ex \
   && for key in \
diff --git a/6.10/Dockerfile b/6.10/Dockerfile
index 52ed78627f..dc1cb37934 100644
--- a/6.10/Dockerfile
+++ b/6.10/Dockerfile
@@ -31,7 +31,7 @@ RUN curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-
   && rm "node-v$NODE_VERSION-linux-x64.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
   && ln -s /usr/local/bin/node /usr/local/bin/nodejs
 
-ENV YARN_VERSION 0.24.4
+ENV YARN_VERSION 0.24.6
 
 RUN set -ex \
   && for key in \
diff --git a/6.10/alpine/Dockerfile b/6.10/alpine/Dockerfile
index 8b69f8487f..fbc3481897 100644
--- a/6.10/alpine/Dockerfile
+++ b/6.10/alpine/Dockerfile
@@ -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 0.24.4
+ENV YARN_VERSION 0.24.6
 
 RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
   && for key in \
diff --git a/6.10/slim/Dockerfile b/6.10/slim/Dockerfile
index 7e8f957d55..f496773af1 100644
--- a/6.10/slim/Dockerfile
+++ b/6.10/slim/Dockerfile
@@ -36,7 +36,7 @@ RUN buildDeps='xz-utils' \
     && apt-get purge -y --auto-remove $buildDeps \
     && ln -s /usr/local/bin/node /usr/local/bin/nodejs
 
-ENV YARN_VERSION 0.24.4
+ENV YARN_VERSION 0.24.6
 
 RUN set -ex \
   && for key in \
diff --git a/6.10/wheezy/Dockerfile b/6.10/wheezy/Dockerfile
index 0970213f81..8014ec9bc8 100644
--- a/6.10/wheezy/Dockerfile
+++ b/6.10/wheezy/Dockerfile
@@ -31,7 +31,7 @@ RUN curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-
   && rm "node-v$NODE_VERSION-linux-x64.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
   && ln -s /usr/local/bin/node /usr/local/bin/nodejs
 
-ENV YARN_VERSION 0.24.4
+ENV YARN_VERSION 0.24.6
 
 RUN set -ex \
   && for key in \
diff --git a/8.0/alpine/Dockerfile b/8.0/alpine/Dockerfile
index 33196456ae..b67ad64df0 100644
--- a/8.0/alpine/Dockerfile
+++ b/8.0/alpine/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.6
+FROM alpine:3.4
 
 ENV NPM_CONFIG_LOGLEVEL info
 ENV NODE_VERSION 8.0.0