diff --git a/Gemfile b/Gemfile
index f077bc2..d6392da 100644
--- a/Gemfile
+++ b/Gemfile
@@ -29,7 +29,7 @@ gem 'haml', '5.2.2'
 gem 'jira-ruby', '2.3.0'
 gem 'mail', '2.8.1'
 gem 'matrix', '0.4.2'
-gem 'mocha', '2.0.4', require: false
+gem 'mocha', '2.1.0', require: false
 gem 'net-smtp', '0.3.3'
 gem 'nokogiri', '1.13.10'
 gem 'octokit', '6.1.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index 057bfa5..21fd9d2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -75,7 +75,7 @@ GEM
     mini_mime (1.1.2)
     mini_portile2 (2.8.2)
     minitest (5.18.1)
-    mocha (2.0.4)
+    mocha (2.1.0)
       ruby2_keywords (>= 0.0.5)
     multi_json (1.15.0)
     multi_xml (0.6.0)
@@ -218,7 +218,7 @@ DEPENDENCIES
   jira-ruby (= 2.3.0)
   mail (= 2.8.1)
   matrix (= 0.4.2)
-  mocha (= 2.0.4)
+  mocha (= 2.1.0)
   net-smtp (= 0.3.3)
   nokogiri (= 1.13.10)
   octokit (= 6.1.1)