diff --git a/Dockerfile b/Dockerfile
index 3e7f1c4..263d62d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:jessie
+FROM debian:stretch
 MAINTAINER Jeremy Shimko <jeremy.shimko@gmail.com>
 
 RUN groupadd -r node && useradd -m -g node node
@@ -7,8 +7,8 @@ RUN groupadd -r node && useradd -m -g node node
 ENV GOSU_VERSION 1.10
 
 # MongoDB
-ENV MONGO_VERSION 3.4.10
-ENV MONGO_MAJOR 3.4
+ENV MONGO_VERSION 4.0.8
+ENV MONGO_MAJOR 4.0
 ENV MONGO_PACKAGE mongodb-org
 
 # PhantomJS
diff --git a/dev.dockerfile b/dev.dockerfile
index 8911919..aa707c3 100644
--- a/dev.dockerfile
+++ b/dev.dockerfile
@@ -1,4 +1,4 @@
-FROM debian:jessie
+FROM debian:stretch
 MAINTAINER Jeremy Shimko <jeremy.shimko@gmail.com>
 
 RUN groupadd -r node && useradd -m -g node node
@@ -9,8 +9,8 @@ ENV DEV_BUILD true
 ENV GOSU_VERSION 1.10
 
 # MongoDB
-ENV MONGO_VERSION 3.4.10
-ENV MONGO_MAJOR 3.4
+ENV MONGO_VERSION 4.0.8
+ENV MONGO_MAJOR 4.0
 ENV MONGO_PACKAGE mongodb-org
 
 # PhantomJS
diff --git a/scripts/install-deps.sh b/scripts/install-deps.sh
index ef10605..2bbe068 100755
--- a/scripts/install-deps.sh
+++ b/scripts/install-deps.sh
@@ -21,25 +21,4 @@ if [ -f $APP_SOURCE_DIR/launchpad.conf ]; then
   fi
 fi
 
-apt-get install -y --no-install-recommends curl bzip2 bsdtar build-essential python git wget
-
-
-# install gosu
-
-dpkgArch="$(dpkg --print-architecture | awk -F- '{ print $NF }')"
-
-wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$dpkgArch"
-wget -O /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$dpkgArch.asc"
-
-export GNUPGHOME="$(mktemp -d)"
-
-gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4
-gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu
-
-rm -r "$GNUPGHOME" /usr/local/bin/gosu.asc
-
-chmod +x /usr/local/bin/gosu
-
-gosu nobody true
-
-apt-get purge -y --auto-remove wget
+apt-get install -y --no-install-recommends curl bzip2 bsdtar build-essential python git gnupg gosu
diff --git a/scripts/install-mongo.sh b/scripts/install-mongo.sh
index 6d41857..feff322 100755
--- a/scripts/install-mongo.sh
+++ b/scripts/install-mongo.sh
@@ -9,9 +9,11 @@ fi
 if [ "$INSTALL_MONGO" = true ]; then
   printf "\n[-] Installing MongoDB ${MONGO_VERSION}...\n\n"
 
-	apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 0C49F3730359A14518585931BC711F9BA15703C6
+  apt install dirmngr
+  apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 9DA31620334BD75D9DCB49F368818C72E52529D4
+  apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 0C49F3730359A14518585931BC711F9BA15703C6
 
-  echo "deb http://repo.mongodb.org/apt/debian jessie/mongodb-org/$MONGO_MAJOR main" > /etc/apt/sources.list.d/mongodb-org.list
+  echo "deb http://repo.mongodb.org/apt/debian stretch/mongodb-org/$MONGO_MAJOR main" > /etc/apt/sources.list.d/mongodb-org.list
 
 	apt-get update