diff --git a/Vagrantfile b/Vagrantfile
index 7d30b93..4668f34 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -1,21 +1,19 @@
 # -*- mode: ruby -*-
 # vi: set ft=ruby :
 
+JRUBY_VERSION = "jruby-1.7"
+
 Vagrant.configure(2) do |config|
 
   config.vm.define "debian" do |deb|
-    deb.vm.box = 'debian/jessie64'
+    deb.vm.box = 'debian/stretch64'
     deb.vm.synced_folder '.', '/vagrant', type: :virtualbox
 
     deb.vm.provision 'shell', inline: <<-EOP
-      echo "deb http://ftp.debian.org/debian jessie-backports main" | tee --append /etc/apt/sources.list > /dev/null
-      sed -i 's/main/main contrib non-free/g' /etc/apt/sources.list
       apt-get update
-      apt-get remove openjdk-7-jre-headless -y -q
-      apt-get install -t jessie-backports openjdk-8-jre ca-certificates-java
-      apt-get install git curl -y -q
-      gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
-      curl -sSL https://get.rvm.io | bash -s stable --ruby=jruby-1.7
+      apt-get install openjdk-8-jre ca-certificates-java git curl -y -q
+      curl -sSL https://rvm.io/mpapis.asc | sudo gpg --import -
+      curl -sSL https://get.rvm.io | bash -s stable --ruby=#{JRUBY_VERSION}
       usermod -a -G rvm vagrant
     EOP
   end
@@ -28,8 +26,8 @@ Vagrant.configure(2) do |config|
     centos.vm.provision 'shell', inline: <<-EOP
       yum update
       yum install java-1.7.0-openjdk
-      gpg2 --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
-      curl -sSL https://get.rvm.io | bash -s stable --ruby=jruby-1.7
+      curl -sSL https://rvm.io/mpapis.asc | sudo gpg --import -
+      curl -sSL https://get.rvm.io | bash -s stable --ruby=#{JRUBY_VERSION}
       usermod -a -G rvm vagrant
     EOP
   end
diff --git a/logstash-output-jdbc.gemspec b/logstash-output-jdbc.gemspec
index bd8ef48..ad8ee48 100644
--- a/logstash-output-jdbc.gemspec
+++ b/logstash-output-jdbc.gemspec
@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name = 'logstash-output-jdbc'
-  s.version = '5.2.1'
+  s.version = '5.3.0.rc1'
   s.licenses = ['Apache License (2.0)']
   s.summary = 'This plugin allows you to output to SQL, via JDBC'
   s.description = "This gem is a logstash plugin required to be installed on top of the Logstash core pipeline using $LS_HOME/bin/logstash-plugin install 'logstash-output-jdbc'. This gem is not a stand-alone program"
@@ -26,8 +26,8 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency 'stud'
   s.add_runtime_dependency 'logstash-codec-plain'
 
-  s.requirements << "jar 'com.zaxxer:HikariCP', '2.6.1'"
-  s.requirements << "jar 'org.apache.logging.log4j:log4j-slf4j-impl', '2.6.2'"
+  s.requirements << "jar 'com.zaxxer:HikariCP', '2.7.2'"
+  s.requirements << "jar 'org.apache.logging.log4j:log4j-slf4j-impl', '2.9.1'"
 
   s.add_development_dependency 'jar-dependencies'
   s.add_development_dependency 'ruby-maven', '~> 3.3'