diff --git a/Gemfile b/Gemfile
index 2e55b6bec..1c6763731 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,7 +9,7 @@ gem 'net-smtp', require: false
 gem 'json'
 
 gem 'eventmachine', '~> 1.2', '>= 1.2.7'
-gem 'thin', '~> 1.8', '>= 1.8.1'
+gem 'thin', '~> 1.8'
 gem 'sinatra', '~> 3.0', '>= 3.0.5'
 gem 'rack', '~> 2.2', '>= 2.2.4'
 gem 'rack-protection', '~> 3.0.5'
diff --git a/Gemfile.lock b/Gemfile.lock
index e4d0030c7..c4b3440be 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -196,7 +196,7 @@ GEM
       test-unit (>= 2.5.2)
     test-unit-runner-tap (1.1.2)
       test-unit
-    thin (1.8.1)
+    thin (1.8.2)
       daemons (~> 1.0, >= 1.0.9)
       eventmachine (~> 1.0, >= 1.0.4)
       rack (>= 1, < 3)
@@ -264,7 +264,7 @@ DEPENDENCIES
   sqlite3 (~> 1.6, >= 1.6.1)
   term-ansicolor
   test-unit-full (~> 0.0.5)
-  thin (~> 1.8, >= 1.8.1)
+  thin (~> 1.8)
   uglifier (~> 4.2)
   websocket-client-simple (~> 0.6.1)
   xmlrpc (~> 0.3.2)