diff --git a/Gemfile b/Gemfile
index 1ebf7b8b5..c7452a85e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,8 +13,6 @@ source 'https://rubygems.org'
 gem 'rails', '~> 5.0.0'
 
 gem 'globalid', '< 0.5.0'        # NOTE: remove gem after upgrading to ruby 2.5
-gem 'rack', '< 2.2.0'            # NOTE: remove gem after upgrading to ruby 2.3
-gem 'rake', '~> 10.5.0'          # NOTE: remove gem after upgrading rspec
 gem 'sprockets-rails', '< 3.3.0' # NOTE: remove gem after upgrading to ruby 2.5
 
 # Databases
@@ -44,7 +42,7 @@ gem 'devise_invitable', '~> 1.5'
 gem 'doorkeeper', '~> 4.2.0'
 gem 'omniauth', '~> 1.2'
 gem 'omniauth-google-oauth2', '~> 0.2'
-gem 'recaptcha'
+gem 'recaptcha', '~> 4.9'
 
 # Libraries
 gem 'aws-sdk', '~> 1.6'
diff --git a/Gemfile.lock b/Gemfile.lock
index 339d4adc2..755563a90 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -255,7 +255,7 @@ GEM
     erubis (2.7.0)
     et-orbi (1.2.7)
       tzinfo
-    execjs (2.7.0)
+    execjs (2.8.1)
     faker (1.9.1)
       i18n (>= 0.7)
     faraday (0.17.6)
@@ -264,7 +264,7 @@ GEM
     ffi (1.15.5)
     filewatcher (0.3.6)
       trollop (~> 2.0)
-    fugit (1.7.2)
+    fugit (1.8.0)
       et-orbi (~> 1, >= 1.2.7)
       raabro (~> 1.4)
     gherkin (5.1.0)
@@ -313,8 +313,8 @@ GEM
     kaminari (0.17.0)
       actionpack (>= 3.0.0)
       activesupport (>= 3.0.0)
-    launchy (2.5.0)
-      addressable (~> 2.7)
+    launchy (2.5.2)
+      addressable (~> 2.8)
     leaflet-rails (0.7.7)
     letter_opener (1.8.1)
       launchy (>= 2.2, < 3)
@@ -405,8 +405,8 @@ GEM
     public_suffix (4.0.7)
     puma (3.12.6)
     raabro (1.4.0)
-    rack (2.1.4.1)
-    rack-protection (2.2.2)
+    rack (2.2.6.2)
+    rack-protection (2.2.4)
       rack
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -453,7 +453,7 @@ GEM
       execjs
       rails (>= 3.2)
       tilt
-    recaptcha (4.9.0)
+    recaptcha (4.14.0)
       json
     redis (3.3.5)
     regexp_parser (1.8.2)
@@ -493,7 +493,7 @@ GEM
       rspec-mocks (~> 3.9.0)
       rspec-support (~> 3.9.0)
     rspec-support (3.9.4)
-    ruby_parser (3.19.1)
+    ruby_parser (3.19.2)
       sexp_processor (~> 4.16)
     rubyzip (2.3.2)
     rufus-scheduler (3.8.2)
@@ -527,9 +527,9 @@ GEM
       docile (~> 1.1)
       simplecov-html (~> 0.11)
     simplecov-html (0.12.3)
-    site_prism (3.5)
-      addressable (~> 2.5)
-      capybara (<= 3.29)
+    site_prism (3.7.3)
+      addressable (~> 2.6)
+      capybara (~> 3.15)
       site_prism-all_there (>= 0.3.1, < 1.0)
     site_prism-all_there (0.3.2)
     spring (2.1.1)
@@ -550,7 +550,7 @@ GEM
     thor (1.2.1)
     thread_safe (0.3.6)
     tilt (2.0.11)
-    timecop (0.9.5)
+    timecop (0.9.6)
     trollop (2.9.10)
     ttfunk (1.6.2.1)
     turbolinks (2.5.4)
@@ -643,15 +643,13 @@ DEPENDENCIES
   pry-rescue
   pry-stack_explorer
   puma (~> 3.0)
-  rack (< 2.2.0)
   rails (~> 5.0.0)
   rails-assets-urijs (~> 1.17.0)!
   rails-controller-testing
   rails-i18n (~> 5.0)
-  rake (~> 10.5.0)
   rchardet (~> 1.6)
   react-rails (~> 1.3.2)
-  recaptcha
+  recaptcha (~> 4.9)
   rest-client (~> 2.1)
   rqrcode (~> 0.10)
   rspec (~> 3.3)