diff --git a/Gemfile b/Gemfile
index 74e5407..90e0cde 100644
--- a/Gemfile
+++ b/Gemfile
@@ -53,7 +53,7 @@ gem 'sidekiq', '~> 4.2.0'
 gem 'sidetiq'
 
 # The API for incoming requests
-gem 'grape', '~> 0.19.0'
+gem 'grape', '~> 1.1.0'
 # gem 'grape-rails-cache', git: private_github_uri('grape-rails-cache')
 gem 'grape-entity'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 2e50924..70cdf33 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -190,12 +190,9 @@ GEM
     formatador (0.2.5)
     globalid (0.4.1)
       activesupport (>= 4.2.0)
-    grape (0.19.2)
+    grape (1.1.0)
       activesupport
       builder
-      hashie (>= 2.1.0)
-      multi_json (>= 1.3.2)
-      multi_xml (>= 0.5.2)
       mustermann-grape (~> 1.0.0)
       rack (>= 1.3.0)
       rack-accept
@@ -228,7 +225,6 @@ GEM
       guard (~> 2.0)
       rubocop (~> 0.20)
     hashdiff (0.3.7)
-    hashie (3.5.7)
     hitimes (1.2.6)
     http (3.0.0)
       addressable (~> 2.3)
@@ -239,7 +235,7 @@ GEM
       domain_name (~> 0.5)
     http-form_data (2.0.0)
     http_parser.rb (0.6.0)
-    i18n (0.9.3)
+    i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     ice_nine (0.11.2)
     inch (0.7.1)
@@ -294,8 +290,7 @@ GEM
     modware (0.1.3)
       key_struct (~> 0.4)
     multi_json (1.13.1)
-    multi_xml (0.6.0)
-    mustermann (1.0.1)
+    mustermann (1.0.3)
     mustermann-grape (1.0.0)
       mustermann (~> 1.0.0)
     nenv (0.3.0)
@@ -325,7 +320,7 @@ GEM
     pry-rails (0.3.6)
       pry (>= 0.10.4)
     public_suffix (3.0.1)
-    rack (2.0.4)
+    rack (2.0.5)
     rack-accept (0.4.5)
       rack (>= 0.4)
     rack-protection (2.0.0)
@@ -533,7 +528,7 @@ DEPENDENCIES
   faker
   font-awesome-rails
   gelf (~> 3.0)!
-  grape (~> 0.19.0)
+  grape (~> 1.1.0)
   grape-entity
   guard
   guard-bundler