diff --git a/.ruby-version b/.ruby-version
index 73462a5a..37c2961c 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.5.1
+2.7.2
diff --git a/Dockerfile b/Dockerfile
index d2fbe32e..ad0a5e2e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:2.5.1-alpine AS base
+FROM ruby:2.7.2-alpine AS base
 
 # Set a variable for the install location.
 ARG RAILS_ROOT=/usr/src/app
@@ -24,9 +24,9 @@ COPY Gemfile Gemfile.lock $RAILS_ROOT/
 
 RUN bundle config --global frozen 1 \
     && bundle install --deployment --without development:test:assets -j4 --path=vendor/bundle \
-    && rm -rf vendor/bundle/ruby/2.5.0/cache/*.gem \
-    && find vendor/bundle/ruby/2.5.0/gems/ -name "*.c" -delete \
-    && find vendor/bundle/ruby/2.5.0/gems/ -name "*.o" -delete
+    && rm -rf vendor/bundle/ruby/2.7.0/cache/*.gem \
+    && find vendor/bundle/ruby/2.7.0/gems/ -name "*.c" -delete \
+    && find vendor/bundle/ruby/2.7.0/gems/ -name "*.o" -delete
 
 # Adding project files.
 COPY . .
@@ -36,7 +36,7 @@ RUN rm -rf tmp/cache spec
 
 ############### Build step done ###############
 
-FROM ruby:2.5.1-alpine
+FROM ruby:2.7.2-alpine
 
 # Set a variable for the install location.
 ARG RAILS_ROOT=/usr/src/app