diff --git a/.docker/ruby/Dockerfile b/.docker/ruby/Dockerfile
index 226b4994..0b7cdad3 100644
--- a/.docker/ruby/Dockerfile
+++ b/.docker/ruby/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:2.6
+FROM ruby:2.7
 
 RUN apt-get update -qq && apt-get install -y build-essential
 
@@ -27,4 +27,4 @@ WORKDIR $APP_HOME
 ADD Gemfile* $APP_HOME/
 RUN bundle install
 
-EXPOSE 3000
\ No newline at end of file
+EXPOSE 3000
diff --git a/.ruby-version b/.ruby-version
index 338a5b5d..860487ca 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.6.6
+2.7.1
diff --git a/Gemfile.lock b/Gemfile.lock
index aa98433f..5f212824 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -751,4 +751,4 @@ DEPENDENCIES
   will_paginate-bootstrap
 
 BUNDLED WITH
-   1.17.3
+   2.1.4