diff --git a/cpuminer/Dockerfile b/cpuminer/Dockerfile
index b740527..ab50d62 100644
--- a/cpuminer/Dockerfile
+++ b/cpuminer/Dockerfile
@@ -6,6 +6,7 @@ RUN apk add --no-cache \
 	curl \
 	openssl
 
+ENV CPUMINER_VERSION v2.4.5
 RUN set -x \
 	&& apk add --no-cache --virtual .build-deps \
 		autoconf \
@@ -14,7 +15,7 @@ RUN set -x \
 		curl-dev \
 		git \
 		openssl-dev \
-	&& git clone --depth 1 https://github.com/pooler/cpuminer.git /usr/src/cpuminer \
+	&& git clone --branch "${CPUMINER_VERSION}" https://github.com/pooler/cpuminer.git /usr/src/cpuminer \
 	&& ( \
 	cd /usr/src/cpuminer \
 	&& ./autogen.sh \
diff --git a/irssi/Dockerfile b/irssi/Dockerfile
index 82ccbe5..0aa72b8 100644
--- a/irssi/Dockerfile
+++ b/irssi/Dockerfile
@@ -10,7 +10,7 @@ RUN adduser -u 1001 -D user \
 
 ENV LANG C.UTF-8
 
-ENV IRSSI_VERSION 0.8.19
+ENV IRSSI_VERSION 0.8.20
 ENV LIB_OTR_VERSION 4.1.1
 ENV IRSSI_OTR_VERSION 1.0.1
 ENV PATCH_FOR_IRSSI_OTR https://github.com/cryptodotis/irssi-otr/commit/d03ab59b6f27142c1c5e99fedc635a589b1607bb.diff
diff --git a/latest-versions.sh b/latest-versions.sh
new file mode 100755
index 0000000..3b6b8ca
--- /dev/null
+++ b/latest-versions.sh
@@ -0,0 +1,64 @@
+# This script gets the latest GitHub releases for the specified projects.
+#!/bin/bash
+set -e
+
+if [[ -z "$GITHUB_TOKEN" ]]; then
+	echo "Set the GITHUB_TOKEN env variable."
+	exit 1
+fi
+
+URI=https://api.github.com
+API_VERSION=v3
+API_HEADER="Accept: application/vnd.github.${API_VERSION}+json"
+AUTH_HEADER="Authorization: token ${GITHUB_TOKEN}"
+
+get_latest() {
+	local repo=$1
+
+	local resp=$(curl -sSL -H "${AUTH_HEADER}" -H "${API_HEADER}" "${URI}/repos/${repo}/releases/latest")
+	local tag=$(echo $resp | jq --raw-output .tag_name)
+	local name=$(echo $resp | jq --raw-output .name)
+
+	if [[ "$tag" == "null" ]]; then
+		# get the latest tag
+		local resp=$(curl -sSL -H "${AUTH_HEADER}" -H "${API_HEADER}" "${URI}/repos/${repo}/tags")
+		local tag=$(echo $resp | jq --raw-output .[0].name)
+	fi
+
+	local dir=${repo#*/}
+	local current=$(cat "${dir}/Dockerfile" | grep -m 1 VERSION | awk '{print $(NF)}')
+
+	if [[ "$tag" =~ "$current" ]]; then
+		echo -e "\e[36m${dir}:\e[39m current ${current} | ${tag} | ${name}"
+	else
+		echo -e "\e[31m${dir}:\e[39m current ${current} | ${tag} | ${name} | https://github.com/${repo}/releases"
+	fi
+}
+
+projects=(
+apache/zookeeper
+atom/atom
+camlistore/camlistore
+curl/curl
+hashicorp/consul
+hashicorp/vault
+irssi/irssi
+JonnyWong16/plexpy
+microsoft/vscode
+mitchellh/vagrant
+pooler/cpuminer
+powershell/powershell
+reverse-shell/routersploit
+ricochet-im/ricochet
+tarsnap/tarsnap
+znc/znc
+zyedidia/micro
+)
+
+main() {
+	for p in ${projects[@]}; do
+		get_latest "$p"
+	done
+}
+
+main
diff --git a/plexpy/Dockerfile b/plexpy/Dockerfile
index 50239d5..d17f03f 100644
--- a/plexpy/Dockerfile
+++ b/plexpy/Dockerfile
@@ -14,11 +14,12 @@ RUN apk add --no-cache \
   python
 
 # Get the source
+ENV PLEXPY_VERSION v1.4.12
 RUN set -x \
 	&& apk add --no-cache --virtual .build-deps \
 		git \
 	&& mkdir -p /opt/plexpy \
-	&& git clone https://github.com/drzoidberg33/plexpy.git /opt/plexpy/ \
+	&& git clone --branch "${PLEXPPY_VERSION}" https://github.com/drzoidberg33/plexpy.git /opt/plexpy/ \
 	&& apk del .build-deps
 
 # Volume for Plexpy data.
diff --git a/routersploit/Dockerfile b/routersploit/Dockerfile
index 665a6bc..3a1622c 100644
--- a/routersploit/Dockerfile
+++ b/routersploit/Dockerfile
@@ -1,6 +1,8 @@
 FROM debian:sid
 MAINTAINER Christian Koep <christian.koep@fom-net.de>
 
+ENV ROUTERSPLOIT_VERSION v2.2.1
+
 RUN apt-get update && apt-get install -y \
     git \
     python-requests \
@@ -9,7 +11,7 @@ RUN apt-get update && apt-get install -y \
     python-bs4 \
     --no-install-recommends \
     && rm -rf /var/lib/apt/lists/* \
-    && git clone https://github.com/reverse-shell/routersploit /usr/bin/routersploit \
+    && git clone --branch "${ROUTERSPLOIT_VERSION}" https://github.com/reverse-shell/routersploit /usr/bin/routersploit \
     && apt-get purge -y --auto-remove \
     git
 
diff --git a/vagrant/Dockerfile b/vagrant/Dockerfile
index aacd757..139f8b8 100644
--- a/vagrant/Dockerfile
+++ b/vagrant/Dockerfile
@@ -13,7 +13,7 @@ RUN	apt-get update && apt-get install -y \
 	--no-install-recommends \
 	&& rm -rf /var/lib/apt/lists/*
 
-ENV	VAGRANT_VERSION 1.8.5
+ENV	VAGRANT_VERSION 1.8.6
 
 ADD	https://releases.hashicorp.com/vagrant/${VAGRANT_VERSION}/vagrant_${VAGRANT_VERSION}_x86_64.deb /src/vagrant_${VAGRANT_VERSION}_x86_64.deb
 
diff --git a/vscode/Dockerfile b/vscode/Dockerfile
index a9b2d28..a1f3e1c 100644
--- a/vscode/Dockerfile
+++ b/vscode/Dockerfile
@@ -49,7 +49,7 @@ ENV HOME /home/user
 RUN useradd --create-home --home-dir $HOME user \
 	&& chown -R user:user $HOME
 
-ENV CODE_VERSION 1.5.2
+ENV CODE_VERSION 1.5.3
 # download the source
 RUN buildDeps=' \
 		ca-certificates \
diff --git a/zookeeper/Dockerfile b/zookeeper/Dockerfile
index 4ccbe2e..e75c348 100644
--- a/zookeeper/Dockerfile
+++ b/zookeeper/Dockerfile
@@ -1,6 +1,6 @@
 FROM java:8-alpine
 
-ENV ZOOKEEPER_VERSION 3.4.8
+ENV ZOOKEEPER_VERSION 3.4.9
 ENV PATH $PATH:/opt/zookeeper/bin/
 
 # the start files for zookeeper use bash