diff --git a/Gemfile b/Gemfile
index 065a4d64b7..de88072fc0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -142,7 +142,7 @@ gem 'counter_culture', '~> 3.8'
 
 group :development, :test do
   # Use mocha for stubbing and mocking
-  gem 'mocha', '~> 2.5.0'
+  gem 'mocha', '~> 2.6.0'
   # Factory bot for factories
   gem 'factory_bot_rails', '~> 6.4.4'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index bf0f894c3d..ff88773587 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -289,7 +289,7 @@ GEM
       minitest (>= 5.0.6)
     minitest-utils (0.4.8)
       minitest
-    mocha (2.5.0)
+    mocha (2.6.0)
       ruby2_keywords (>= 0.0.5)
     msgpack (1.7.5)
     multi_json (1.15.0)
@@ -614,7 +614,7 @@ DEPENDENCIES
   memory_profiler (~> 1.1.0)
   minitest-ci (~> 3.4.0)
   minitest-utils (~> 0.4.8)
-  mocha (~> 2.5.0)
+  mocha (~> 2.6.0)
   nokogiri (~> 1.16.7)
   omniauth-google-oauth2 (~> 1.2.0)
   omniauth-oauth2 (~> 1.8.0)