diff --git a/Gemfile b/Gemfile
index 3d6f26ec..87c6e00a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -38,6 +38,7 @@ platforms :ruby do
   gem "foreman"
   gem "gem-release"
   gem "github_changelog_generator", require: false
+  gem "warning"
 
   group :debug do
     gem "activerecord-explain-analyze", require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 9845117c..a6dd6bfd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -471,6 +471,7 @@ GEM
     unicode-display_width (2.6.0)
     uri (1.0.1)
     useragent (0.16.10)
+    warning (1.4.0)
     webrick (1.9.0)
     websocket (1.2.11)
     websocket-driver (0.7.6)
@@ -536,6 +537,7 @@ DEPENDENCIES
   stackprof
   tapioca
   timecop
+  warning
   webrick
   yard
   yard-activesupport-concern
diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index befe14c7..0a10b8a8 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -14,6 +14,14 @@
 
 require "timecop"
 
+require "warning"
+# https://github.com/mikel/mail/pull/1557
+Warning.ignore(%r{/lib/mail/parsers/})
+# https://github.com/SeleniumHQ/selenium/pull/14770
+Warning.ignore(%r{/lib/selenium/.*URI::RFC3986_PARSER.escape is obsolete})
+# https://github.com/teamcapybara/capybara/pull/2781
+Warning.ignore(%r{/lib/capybara/.*URI::RFC3986_PARSER.make_regexp is obsolete})
+
 require File.expand_path('../demo/config/environment', __dir__)
 
 # Prevent database truncation if the environment is production