diff --git a/graphql/Gemfile.lock b/graphql/Gemfile.lock
index 6a32148..d9c7dcb 100644
--- a/graphql/Gemfile.lock
+++ b/graphql/Gemfile.lock
@@ -3,27 +3,27 @@ GEM
   specs:
     graphql (1.9.12)
     multi_json (1.15.0)
-    mustermann (1.1.1)
+    mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
-    rack (2.2.3)
+    rack (2.2.4)
     rack-contrib (2.3.0)
       rack (~> 2.0)
     rack-graphiql (0.1.1)
-    rack-protection (2.1.0)
+    rack-protection (3.0.4)
       rack
-    ruby2_keywords (0.0.4)
-    sinatra (2.1.0)
-      mustermann (~> 1.0)
-      rack (~> 2.2)
-      rack-protection (= 2.1.0)
+    ruby2_keywords (0.0.5)
+    sinatra (3.0.4)
+      mustermann (~> 3.0)
+      rack (~> 2.2, >= 2.2.4)
+      rack-protection (= 3.0.4)
       tilt (~> 2.0)
-    sinatra-contrib (2.1.0)
+    sinatra-contrib (3.0.4)
       multi_json
-      mustermann (~> 1.0)
-      rack-protection (= 2.1.0)
-      sinatra (= 2.1.0)
+      mustermann (~> 3.0)
+      rack-protection (= 3.0.4)
+      sinatra (= 3.0.4)
       tilt (~> 2.0)
-    tilt (2.0.10)
+    tilt (2.0.11)
 
 PLATFORMS
   ruby