diff --git a/Gemfile b/Gemfile
index 584805135..bfa3121fb 100644
--- a/Gemfile
+++ b/Gemfile
@@ -23,7 +23,7 @@ gem 'espeak-ruby', '~> 1.1.0' # Text-to-Voice
 gem 'rake', '~> 13.2'
 gem 'otr-activerecord', '~> 2.2.0'
 gem 'sqlite3', '~> 1.4'
-gem 'rubocop', '~> 1.63.5', require: false
+gem 'rubocop', '~> 1.64.0', require: false
 
 # Geolocation support
 group :geoip do
@@ -78,7 +78,7 @@ group :test do
     # Note: selenium-webdriver 3.x is incompatible with Firefox version 48 and prior
     # gem 'selenium' # Requires old version of selenium which is no longer available
     gem 'geckodriver-helper', '~> 0.24.0'
-    gem 'selenium-webdriver', '~> 4.20'
+    gem 'selenium-webdriver', '~> 4.21'
 
     # Note: nokogiri is needed by capybara which may require one of the below commands
     # sudo apt-get install libxslt-dev libxml2-dev
diff --git a/Gemfile.lock b/Gemfile.lock
index cd5916d6d..07920a85f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -131,7 +131,7 @@ GEM
     qr4r (0.6.2)
       mojo_magick (~> 0.6.5)
       rqrcode_core (~> 1.0)
-    racc (1.7.3)
+    racc (1.8.0)
     rack (2.2.9)
     rack-protection (3.2.0)
       base64 (>= 0.1.0)
@@ -142,7 +142,7 @@ GEM
     rake (13.2.1)
     rdoc (6.7.0)
       psych (>= 4.0.0)
-    regexp_parser (2.9.0)
+    regexp_parser (2.9.2)
     reline (0.5.5)
       io-console (~> 0.5)
     rest-client (2.1.0)
@@ -167,7 +167,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.0)
-    rubocop (1.63.5)
+    rubocop (1.64.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -186,7 +186,7 @@ GEM
     rushover (0.3.0)
       json
       rest-client
-    selenium-webdriver (4.20.1)
+    selenium-webdriver (4.21.1)
       base64 (~> 0.2)
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2, < 3.0)
@@ -279,10 +279,10 @@ DEPENDENCIES
   rdoc (~> 6.7)
   rest-client (~> 2.1.0)
   rspec (~> 3.13)
-  rubocop (~> 1.63.5)
+  rubocop (~> 1.64.0)
   rubyzip (~> 2.3)
   rushover (~> 0.3.0)
-  selenium-webdriver (~> 4.20)
+  selenium-webdriver (~> 4.21)
   sinatra (~> 3.2)
   slack-notifier (~> 2.4)
   sqlite3 (~> 1.4)