diff --git a/Dockerfile.osx b/Dockerfile.osx
index 7a33016b..d2e8847f 100644
--- a/Dockerfile.osx
+++ b/Dockerfile.osx
@@ -26,13 +26,13 @@ RUN curl -fsSL -o /vbox.dmg http://download.virtualbox.org/virtualbox/$VBOX_VERS
 
 # Download the Docker parts
 
-ENV INSTALLER_VERSION 1.9.1a
+ENV INSTALLER_VERSION 1.9.1b
 ENV DOCKER_VERSION 1.9.1
 # RUN curl -fsSL -o /docker https://test.docker.com/builds/Darwin/x86_64/docker-$DOCKER_VERSION
 RUN curl -fsSL -o docker https://get.docker.com/builds/Darwin/x86_64/docker-$DOCKER_VERSION
 RUN chmod +x /docker
 
-ENV DOCKER_MACHINE_VERSION 0.5.1
+ENV DOCKER_MACHINE_VERSION 0.5.2
 RUN curl -fsSL -o /docker-machine.zip https://github.com/docker/machine/releases/download/v$DOCKER_MACHINE_VERSION/docker-machine_darwin-amd64.zip
 RUN 7z x /docker-machine.zip && rm -f /docker-machine.zip
 RUN chmod +x /docker-machine*
diff --git a/Dockerfile.windows b/Dockerfile.windows
index fde30b91..6526df5c 100644
--- a/Dockerfile.windows
+++ b/Dockerfile.windows
@@ -17,9 +17,9 @@ RUN cd innosetup && \
     wine "./innounp.exe" -e "is-unicode.exe"
 
 # installer components
-ENV INSTALLER_VERSION 1.9.1a
+ENV INSTALLER_VERSION 1.9.1b
 ENV DOCKER_VERSION 1.9.1
-ENV DOCKER_MACHINE_VERSION 0.5.1
+ENV DOCKER_MACHINE_VERSION 0.5.2
 ENV DOCKER_COMPOSE_VERSION 1.5.1
 ENV BOOT2DOCKER_ISO_VERSION $DOCKER_VERSION
 ENV KITEMATIC_VERSION 0.9.3