diff --git a/.ruby-version b/.ruby-version
index 73462a5a1..aedc15bb0 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.5.1
+2.5.3
diff --git a/Dockerfile b/Dockerfile
index 11c1d41aa..04e19bea3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:2.5.1
+FROM ruby:2.5.3
 RUN apt-get update -qq && apt-get upgrade -y
 RUN apt-get install -y build-essential nodejs && apt-get clean
 RUN gem install foreman
diff --git a/Gemfile.lock b/Gemfile.lock
index 89422e960..76bdfbdeb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -387,7 +387,7 @@ DEPENDENCIES
   wraith (~> 4.2)
 
 RUBY VERSION
-   ruby 2.5.1p57
+   ruby 2.5.3p105
 
 BUNDLED WITH
    1.16.2