diff --git a/.ruby-version b/.ruby-version
index 005119baaa..8e8299dcc0 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.4.1
+2.4.2
diff --git a/.travis.yml b/.travis.yml
index 28f0b510f7..8cafcfe853 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,8 +12,8 @@ addons:
 language: ruby
 rvm:
   - '2.2'
-  - '2.3.4'
-  - '2.4.1'
+  - '2.3.5'
+  - '2.4.2'
 
 env:
   - CMD='bundle exec rake rspec-rerun:spec SPEC_OPTS="--tag content"'
diff --git a/Dockerfile b/Dockerfile
index 141513bdb7..1bf0d1c27c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:2.4.1-alpine
+FROM ruby:2.4.2-alpine
 MAINTAINER Rapid7
 
 ARG BUNDLER_ARGS="--jobs=8 --without development test coverage"