diff --git a/Gemfile b/Gemfile
index 5f945da99..093bffc79 100644
--- a/Gemfile
+++ b/Gemfile
@@ -85,7 +85,7 @@ end
 group :test do
   gem "rails-dom-testing"
   gem "mocha"
-  gem "simplecov", "~> 0.14.1", :require => false
+  gem "simplecov", "~> 0.15.1", :require => false
   # For running system tests
   gem 'puma', '~> 3.11'
   gem "capybara", '~> 2.13'
diff --git a/Gemfile.lock b/Gemfile.lock
index f7f9d7136..bec7a17f8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -147,7 +147,7 @@ GEM
     selenium-webdriver (3.6.0)
       childprocess (~> 0.5)
       rubyzip (~> 1.0)
-    simplecov (0.14.1)
+    simplecov (0.15.1)
       docile (~> 1.1.0)
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
@@ -201,7 +201,7 @@ DEPENDENCIES
   roadie-rails (~> 1.2.1)
   ruby-openid (~> 2.3.0)
   selenium-webdriver
-  simplecov (~> 0.14.1)
+  simplecov (~> 0.15.1)
   tzinfo-data
   unicorn
   yard