diff --git a/Gemfile b/Gemfile
index 54b73d8..04a696f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -25,6 +25,6 @@ group :development do
   gem 'rake', '~> 13.0'
   gem 'rspec', '~> 3.12'
   gem 'simplecov', '~> 0.22.0'
-  gem 'timecop', '~> 0.9.7'
+  gem 'timecop', '~> 0.9.8'
   gem 'yard', '~> 0.9.34'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 0b2e3b0..5747904 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -108,7 +108,7 @@ GEM
       rack (>= 1, < 3)
     thor (1.2.1)
     tilt (2.2.0)
-    timecop (0.9.7)
+    timecop (0.9.8)
     timeout (0.3.2)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
@@ -142,7 +142,7 @@ DEPENDENCIES
   simplecov (~> 0.22.0)
   sinatra (~> 3.1)
   thin (~> 1.8)
-  timecop (~> 0.9.7)
+  timecop (~> 0.9.8)
   unicorn (~> 6.1)
   yard (~> 0.9.34)