diff --git a/test/Dockerfile b/test/Dockerfile
index 570bd16..70f674e 100644
--- a/test/Dockerfile
+++ b/test/Dockerfile
@@ -1,11 +1,12 @@
-FROM centos/ruby-22-centos7
+FROM registry.access.redhat.com/ubi8/ruby-27
 USER default
 EXPOSE 8080
 ENV RACK_ENV production
 ENV RAILS_ENV production
 COPY . /opt/app-root/src/
-RUN scl enable rh-ruby22 "bundle install"
-CMD ["scl", "enable", "rh-ruby22", "./run.sh"]
+ENV GEM_HOME ~/.gem
+RUN bundle install
+CMD ["./run.sh"]
 
 USER root
 RUN chmod og+rw /opt/app-root/src/db
diff --git a/test/Gemfile b/test/Gemfile
index da602cd..901156f 100644
--- a/test/Gemfile
+++ b/test/Gemfile
@@ -1,9 +1,9 @@
 source 'https://rubygems.org'
 
-gem 'sinatra', '2.0.5'
-gem 'sinatra-activerecord', '2.0.13'
-gem 'mysql2', '0.4.10'
-gem 'rake', '12.3.0'
-gem 'minitest', '5.11.3'
-gem 'i18n', '0.9.3'
-
+gem 'sinatra', '2.1.0'
+gem 'sinatra-activerecord', '2.0.22'
+gem 'mysql2', '0.5.3'
+gem 'rake', '13.0.3'
+gem 'minitest', '5.14.4'
+gem 'i18n', '1.8.9'
+gem 'webrick', '1.7.0'
diff --git a/test/Gemfile.lock b/test/Gemfile.lock
index ab3c480..8418c66 100644
--- a/test/Gemfile.lock
+++ b/test/Gemfile.lock
@@ -1,48 +1,51 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activemodel (5.1.4)
-      activesupport (= 5.1.4)
-    activerecord (5.1.4)
-      activemodel (= 5.1.4)
-      activesupport (= 5.1.4)
-      arel (~> 8.0)
-    activesupport (5.1.4)
+    activemodel (6.1.3.2)
+      activesupport (= 6.1.3.2)
+    activerecord (6.1.3.2)
+      activemodel (= 6.1.3.2)
+      activesupport (= 6.1.3.2)
+    activesupport (6.1.3.2)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (~> 0.7)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-    arel (8.0.0)
-    concurrent-ruby (1.0.5)
-    i18n (0.9.3)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+      zeitwerk (~> 2.3)
+    concurrent-ruby (1.1.8)
+    i18n (1.8.9)
       concurrent-ruby (~> 1.0)
-    minitest (5.11.3)
-    mustermann (1.0.3)
-    mysql2 (0.4.10)
-    rack (2.0.6)
-    rack-protection (2.0.5)
+    minitest (5.14.4)
+    mustermann (1.1.1)
+      ruby2_keywords (~> 0.0.1)
+    mysql2 (0.5.3)
+    rack (2.2.3)
+    rack-protection (2.1.0)
       rack
-    rake (12.3.0)
-    sinatra (2.0.5)
+    rake (13.0.3)
+    ruby2_keywords (0.0.4)
+    sinatra (2.1.0)
       mustermann (~> 1.0)
-      rack (~> 2.0)
-      rack-protection (= 2.0.5)
+      rack (~> 2.2)
+      rack-protection (= 2.1.0)
       tilt (~> 2.0)
-    sinatra-activerecord (2.0.13)
-      activerecord (>= 3.2)
+    sinatra-activerecord (2.0.22)
+      activerecord (>= 4.1)
       sinatra (>= 1.0)
-    thread_safe (0.3.6)
-    tilt (2.0.9)
-    tzinfo (1.2.5)
-      thread_safe (~> 0.1)
+    tilt (2.0.10)
+    tzinfo (2.0.4)
+      concurrent-ruby (~> 1.0)
+    webrick (1.7.0)
+    zeitwerk (2.4.2)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  i18n (= 0.9.3)
-  minitest (= 5.11.3)
-  mysql2 (= 0.4.10)
-  rake (= 12.3.0)
-  sinatra (= 2.0.5)
-  sinatra-activerecord (= 2.0.13)
+  i18n (= 1.8.9)
+  minitest (= 5.14.4)
+  mysql2 (= 0.5.3)
+  rake (= 13.0.3)
+  sinatra (= 2.1.0)
+  sinatra-activerecord (= 2.0.22)
+  webrick (= 1.7.0)