diff --git a/Gemfile b/Gemfile
index f68716222..ad3715998 100644
--- a/Gemfile
+++ b/Gemfile
@@ -266,7 +266,7 @@ group :development do
   gem "pry-byebug"
 
   # test coverage
-  gem "simplecov", "0.14.1", require: false
+  gem "simplecov", "0.16.1", require: false
 
   gem "turbo_dev_assets", "0.0.2"
 end
@@ -297,7 +297,7 @@ group :test do
   gem "diaspora_federation-test", "0.2.5"
 
   # Coverage
-  gem "coveralls", "0.8.21", require: false
+  gem "coveralls", "0.8.22", require: false
 end
 
 group :development, :test do
diff --git a/Gemfile.lock b/Gemfile.lock
index 9ec783df7..a781c8759 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -126,9 +126,9 @@ GEM
     concurrent-ruby (1.1.3)
     configurate (0.3.1)
     connection_pool (2.2.1)
-    coveralls (0.8.21)
+    coveralls (0.8.22)
       json (>= 1.8, < 3)
-      simplecov (~> 0.14.1)
+      simplecov (~> 0.16.1)
       term-ansicolor (~> 1.3)
       thor (~> 0.19.4)
       tins (~> 1.6)
@@ -181,7 +181,7 @@ GEM
       fabrication (~> 2.16)
       uuid (~> 2.3, >= 2.3.8)
     diff-lcs (1.3)
-    docile (1.1.5)
+    docile (1.3.1)
     domain_name (0.5.20170404)
       unf (>= 0.0.5, < 1.0.0)
     entypo-rails (3.0.0)
@@ -655,8 +655,8 @@ GEM
     simple_captcha2 (0.4.3)
       rails (>= 4.1)
     simple_oauth (0.3.1)
-    simplecov (0.14.1)
-      docile (~> 1.1.0)
+    simplecov (0.16.1)
+      docile (~> 1.1)
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)
@@ -684,7 +684,7 @@ GEM
     sysexits (1.2.0)
     systemu (2.6.5)
     temple (0.8.0)
-    term-ansicolor (1.6.0)
+    term-ansicolor (1.7.0)
       tins (~> 1.0)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
@@ -694,7 +694,7 @@ GEM
     timecop (0.9.1)
     timers (4.1.2)
       hitimes
-    tins (1.16.3)
+    tins (1.20.2)
     to_regexp (0.2.1)
     turbo_dev_assets (0.0.2)
     twitter (6.2.0)
@@ -774,7 +774,7 @@ DEPENDENCIES
   carrierwave (= 1.2.2)
   compass-rails (= 3.0.2)
   configurate (= 0.3.1)
-  coveralls (= 0.8.21)
+  coveralls (= 0.8.22)
   cucumber-api-steps (= 0.14)
   cucumber-rails (= 1.5.0)
   database_cleaner (= 1.6.2)
@@ -882,7 +882,7 @@ DEPENDENCIES
   sidekiq (= 5.1.3)
   sidekiq-cron (= 0.6.3)
   simple_captcha2 (= 0.4.3)
-  simplecov (= 0.14.1)
+  simplecov (= 0.16.1)
   sinon-rails (= 1.15.0)
   spring (= 2.0.2)
   spring-commands-cucumber (= 1.0.1)