diff --git a/answersBackupService/Gemfile b/answersBackupService/Gemfile
index dd36944..0dce3d5 100644
--- a/answersBackupService/Gemfile
+++ b/answersBackupService/Gemfile
@@ -5,7 +5,7 @@ gem 'modularity', '~> 0.6'
 gem 'oj', '~> 2.0'
 gem 'multi_json', '~> 1.7'
 gem 'erubis', '~> 2.7'
-gem 'sinatra', '~> 1.4', :require => 'sinatra/base'
+gem 'sinatra', '~> 2.2', :require => 'sinatra/base'
 gem 'unicorn', '~> 4.6'
 
 #gem 'activesupport', '>= 4.0'
diff --git a/answersBackupService/Gemfile.lock b/answersBackupService/Gemfile.lock
index d1b7a5a..fae133f 100644
--- a/answersBackupService/Gemfile.lock
+++ b/answersBackupService/Gemfile.lock
@@ -5,16 +5,20 @@ GEM
     kgio (2.8.1)
     modularity (0.6.1)
     multi_json (1.8.2)
+    mustermann (2.0.2)
+      ruby2_keywords (~> 0.0.1)
     oj (2.1.7)
-    rack (1.5.2)
-    rack-protection (1.5.1)
+    rack (2.2.4)
+    rack-protection (2.2.3)
       rack
     raindrops (0.12.0)
-    sinatra (1.4.4)
-      rack (~> 1.4)
-      rack-protection (~> 1.4)
-      tilt (~> 1.3, >= 1.3.4)
-    tilt (1.4.1)
+    ruby2_keywords (0.0.5)
+    sinatra (2.2.3)
+      mustermann (~> 2.0)
+      rack (~> 2.2)
+      rack-protection (= 2.2.3)
+      tilt (~> 2.0)
+    tilt (2.0.11)
     tzinfo (0.3.38)
     unicorn (4.7.0)
       kgio (~> 2.6)
@@ -29,6 +33,6 @@ DEPENDENCIES
   modularity (~> 0.6)
   multi_json (~> 1.7)
   oj (~> 2.0)
-  sinatra (~> 1.4)
+  sinatra (~> 2.2)
   tzinfo (~> 0.3)
   unicorn (~> 4.6)