diff --git a/.ruby-version b/.ruby-version
index 73462a5..aedc15b 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.5.1
+2.5.3
diff --git a/Gemfile b/Gemfile
index 50f8e89..6f2b3ab 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
-ruby '2.5.1'
+ruby '2.5.3'
 
 gem 'rails', '~> 5.2.1'
 gem 'pg'
diff --git a/Gemfile.lock b/Gemfile.lock
index 605f8fc..30b1ea9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -280,7 +280,7 @@ DEPENDENCIES
   web-console (>= 3.3.0)
 
 RUBY VERSION
-   ruby 2.5.1p57
+   ruby 2.5.3p105
 
 BUNDLED WITH
-   1.16.1
+   1.17.1