diff --git a/Gemfile b/Gemfile
index 4795047f..cd552588 100644
--- a/Gemfile
+++ b/Gemfile
@@ -37,7 +37,7 @@ gem 'tzinfo-data', platforms: %i[mingw mswin x64_mingw jruby]
 
 group :test do
   gem 'codecov', '~> 0.6.0', require: false
-  gem 'mocha', '~> 2.1.0', require: false
+  gem 'mocha', '~> 2.2.0', require: false
   gem 'simplecov', '~> 0.21', require: false
 end
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 1bef91f6..d18c4b0a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -154,7 +154,7 @@ GEM
     mini_mime (1.1.5)
     mini_portile2 (2.8.5)
     minitest (5.22.3)
-    mocha (2.1.0)
+    mocha (2.2.0)
       ruby2_keywords (>= 0.0.5)
     msgpack (1.7.2)
     mutex_m (0.2.0)
@@ -293,7 +293,7 @@ DEPENDENCIES
   good_job (~> 3.27)
   has_scope (~> 0.8)
   image_processing (~> 1.12.2)
-  mocha (~> 2.1.0)
+  mocha (~> 2.2.0)
   pg (>= 1.2.3, < 2.0)
   puma (~> 6.4)
   pundit (~> 2.3)
diff --git a/gemset.nix b/gemset.nix
index c436b596..1c219309 100644
--- a/gemset.nix
+++ b/gemset.nix
@@ -555,10 +555,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0lsll8iba8612dypk718l9kx73m9syiscb2rhciljys1krc5g1zr";
+      sha256 = "0c94j6lplndjkmnq8b7vim8kh882y7v2kym4m58gjwsr0cndb84b";
       type = "gem";
     };
-    version = "2.1.0";
+    version = "2.2.0";
   };
   msgpack = {
     groups = ["default"];