diff --git a/1.9/slim/Dockerfile b/1.9/slim/Dockerfile
new file mode 100644
index 000000000..00125860a
--- /dev/null
+++ b/1.9/slim/Dockerfile
@@ -0,0 +1,55 @@
+FROM debian:jessie
+
+RUN apt-get update \
+	&& apt-get install -y --no-install-recommends \
+		bzip2 \
+		ca-certificates \
+		curl \
+		libffi-dev \
+		libgdbm3 \
+		libssl-dev \
+		libyaml-dev \
+		procps \
+		zlib1g-dev \
+	&& rm -rf /var/lib/apt/lists/*
+
+ENV RUBY_MAJOR 1.9
+ENV RUBY_VERSION 1.9.3-p551
+
+# some of ruby's build scripts are written in ruby
+# we purge this later to make sure our final image uses what we just built
+RUN buildDeps=' \
+		autoconf \
+		bison \
+		gcc \
+		libbz2-dev \
+		libgdbm-dev \
+		libglib2.0-dev \
+		libncurses-dev \
+		libreadline-dev \
+		libxml2-dev \
+		libxslt-dev \
+		make \
+		ruby \
+	'; \
+	set -x \
+	&& apt-get update \
+	&& apt-get install -y --no-install-recommends $buildDeps \
+	&& rm -rf /var/lib/apt/lists/* \
+	&& mkdir -p /usr/src/ruby \
+	&& curl -SL "http://cache.ruby-lang.org/pub/ruby/$RUBY_MAJOR/ruby-$RUBY_VERSION.tar.bz2" \
+		| tar -xjC /usr/src/ruby --strip-components=1 \
+	&& cd /usr/src/ruby \
+	&& autoconf \
+	&& ./configure --disable-install-doc \
+	&& make -j"$(nproc)" \
+	&& make install \
+	&& rm -r /usr/src/ruby \
+	&& apt-get purge -y --auto-remove $buildDeps
+
+# skip installing gem documentation
+RUN echo 'gem: --no-rdoc --no-ri' >> /.gemrc
+
+RUN gem install bundler
+
+CMD [ "irb" ]
diff --git a/2.0/slim/Dockerfile b/2.0/slim/Dockerfile
new file mode 100644
index 000000000..f38931a27
--- /dev/null
+++ b/2.0/slim/Dockerfile
@@ -0,0 +1,55 @@
+FROM debian:jessie
+
+RUN apt-get update \
+	&& apt-get install -y --no-install-recommends \
+		bzip2 \
+		ca-certificates \
+		curl \
+		libffi-dev \
+		libgdbm3 \
+		libssl-dev \
+		libyaml-dev \
+		procps \
+		zlib1g-dev \
+	&& rm -rf /var/lib/apt/lists/*
+
+ENV RUBY_MAJOR 2.0
+ENV RUBY_VERSION 2.0.0-p598
+
+# some of ruby's build scripts are written in ruby
+# we purge this later to make sure our final image uses what we just built
+RUN buildDeps=' \
+		autoconf \
+		bison \
+		gcc \
+		libbz2-dev \
+		libgdbm-dev \
+		libglib2.0-dev \
+		libncurses-dev \
+		libreadline-dev \
+		libxml2-dev \
+		libxslt-dev \
+		make \
+		ruby \
+	'; \
+	set -x \
+	&& apt-get update \
+	&& apt-get install -y --no-install-recommends $buildDeps \
+	&& rm -rf /var/lib/apt/lists/* \
+	&& mkdir -p /usr/src/ruby \
+	&& curl -SL "http://cache.ruby-lang.org/pub/ruby/$RUBY_MAJOR/ruby-$RUBY_VERSION.tar.bz2" \
+		| tar -xjC /usr/src/ruby --strip-components=1 \
+	&& cd /usr/src/ruby \
+	&& autoconf \
+	&& ./configure --disable-install-doc \
+	&& make -j"$(nproc)" \
+	&& make install \
+	&& rm -r /usr/src/ruby \
+	&& apt-get purge -y --auto-remove $buildDeps
+
+# skip installing gem documentation
+RUN echo 'gem: --no-rdoc --no-ri' >> /.gemrc
+
+RUN gem install bundler
+
+CMD [ "irb" ]
diff --git a/2.1/slim/Dockerfile b/2.1/slim/Dockerfile
new file mode 100644
index 000000000..58fa6c6b8
--- /dev/null
+++ b/2.1/slim/Dockerfile
@@ -0,0 +1,55 @@
+FROM debian:jessie
+
+RUN apt-get update \
+	&& apt-get install -y --no-install-recommends \
+		bzip2 \
+		ca-certificates \
+		curl \
+		libffi-dev \
+		libgdbm3 \
+		libssl-dev \
+		libyaml-dev \
+		procps \
+		zlib1g-dev \
+	&& rm -rf /var/lib/apt/lists/*
+
+ENV RUBY_MAJOR 2.1
+ENV RUBY_VERSION 2.1.5
+
+# some of ruby's build scripts are written in ruby
+# we purge this later to make sure our final image uses what we just built
+RUN buildDeps=' \
+		autoconf \
+		bison \
+		gcc \
+		libbz2-dev \
+		libgdbm-dev \
+		libglib2.0-dev \
+		libncurses-dev \
+		libreadline-dev \
+		libxml2-dev \
+		libxslt-dev \
+		make \
+		ruby \
+	'; \
+	set -x \
+	&& apt-get update \
+	&& apt-get install -y --no-install-recommends $buildDeps \
+	&& rm -rf /var/lib/apt/lists/* \
+	&& mkdir -p /usr/src/ruby \
+	&& curl -SL "http://cache.ruby-lang.org/pub/ruby/$RUBY_MAJOR/ruby-$RUBY_VERSION.tar.bz2" \
+		| tar -xjC /usr/src/ruby --strip-components=1 \
+	&& cd /usr/src/ruby \
+	&& autoconf \
+	&& ./configure --disable-install-doc \
+	&& make -j"$(nproc)" \
+	&& make install \
+	&& rm -r /usr/src/ruby \
+	&& apt-get purge -y --auto-remove $buildDeps
+
+# skip installing gem documentation
+RUN echo 'gem: --no-rdoc --no-ri' >> /.gemrc
+
+RUN gem install bundler
+
+CMD [ "irb" ]
diff --git a/2.2/slim/Dockerfile b/2.2/slim/Dockerfile
new file mode 100644
index 000000000..9dd31021f
--- /dev/null
+++ b/2.2/slim/Dockerfile
@@ -0,0 +1,55 @@
+FROM debian:jessie
+
+RUN apt-get update \
+	&& apt-get install -y --no-install-recommends \
+		bzip2 \
+		ca-certificates \
+		curl \
+		libffi-dev \
+		libgdbm3 \
+		libssl-dev \
+		libyaml-dev \
+		procps \
+		zlib1g-dev \
+	&& rm -rf /var/lib/apt/lists/*
+
+ENV RUBY_MAJOR 2.2
+ENV RUBY_VERSION 2.2.0
+
+# some of ruby's build scripts are written in ruby
+# we purge this later to make sure our final image uses what we just built
+RUN buildDeps=' \
+		autoconf \
+		bison \
+		gcc \
+		libbz2-dev \
+		libgdbm-dev \
+		libglib2.0-dev \
+		libncurses-dev \
+		libreadline-dev \
+		libxml2-dev \
+		libxslt-dev \
+		make \
+		ruby \
+	'; \
+	set -x \
+	&& apt-get update \
+	&& apt-get install -y --no-install-recommends $buildDeps \
+	&& rm -rf /var/lib/apt/lists/* \
+	&& mkdir -p /usr/src/ruby \
+	&& curl -SL "http://cache.ruby-lang.org/pub/ruby/$RUBY_MAJOR/ruby-$RUBY_VERSION.tar.bz2" \
+		| tar -xjC /usr/src/ruby --strip-components=1 \
+	&& cd /usr/src/ruby \
+	&& autoconf \
+	&& ./configure --disable-install-doc \
+	&& make -j"$(nproc)" \
+	&& make install \
+	&& rm -r /usr/src/ruby \
+	&& apt-get purge -y --auto-remove $buildDeps
+
+# skip installing gem documentation
+RUN echo 'gem: --no-rdoc --no-ri' >> /.gemrc
+
+RUN gem install bundler
+
+CMD [ "irb" ]
diff --git a/generate-stackbrew-library.sh b/generate-stackbrew-library.sh
index 28c7dafdb..330e680f6 100755
--- a/generate-stackbrew-library.sh
+++ b/generate-stackbrew-library.sh
@@ -31,7 +31,7 @@ for version in "${versions[@]}"; do
 		echo "$va: ${url}@${commit} $version"
 	done
 	
-	for variant in onbuild wheezy; do
+	for variant in onbuild slim wheezy; do
 		commit="$(git log -1 --format='format:%H' -- "$version/$variant")"
 		echo
 		for va in "${versionAliases[@]}"; do
diff --git a/update.sh b/update.sh
index 3c4d4d60d..1522e5755 100755
--- a/update.sh
+++ b/update.sh
@@ -17,8 +17,8 @@ for version in "${versions[@]}"; do
 		| sort -V | tail -1)"
 	(
 		set -x
-		sed -ri 's/^(ENV RUBY_MAJOR) .*/\1 '"$version"'/' "$version/"{,wheezy/}Dockerfile
-		sed -ri 's/^(ENV RUBY_VERSION) .*/\1 '"$fullVersion"'/' "$version/"{,wheezy/}Dockerfile
+		sed -ri 's/^(ENV RUBY_MAJOR) .*/\1 '"$version"'/' "$version/"{,wheezy/,slim/}Dockerfile
+		sed -ri 's/^(ENV RUBY_VERSION) .*/\1 '"$fullVersion"'/' "$version/"{,wheezy/,slim/}Dockerfile
 		sed -ri 's/^(FROM ruby):.*/\1:'"$fullVersion"'/' "$version/"*"/Dockerfile"
 	)
 done