diff --git a/hooks/ruby/configuring-your-server/Gemfile b/hooks/ruby/configuring-your-server/Gemfile
index 805a6ec04..7e9d5b6ce 100644
--- a/hooks/ruby/configuring-your-server/Gemfile
+++ b/hooks/ruby/configuring-your-server/Gemfile
@@ -1,4 +1,4 @@
 source "http://rubygems.org"
 
 gem "json",        "1.7.7"
-gem 'sinatra',     '~> 1.3.5'
+gem 'sinatra',     '~> 2.2.3'
diff --git a/hooks/ruby/configuring-your-server/Gemfile.lock b/hooks/ruby/configuring-your-server/Gemfile.lock
index 569009d15..921173e0d 100644
--- a/hooks/ruby/configuring-your-server/Gemfile.lock
+++ b/hooks/ruby/configuring-your-server/Gemfile.lock
@@ -2,18 +2,22 @@ GEM
   remote: http://rubygems.org/
   specs:
     json (1.7.7)
-    rack (1.5.2)
-    rack-protection (1.5.2)
+    mustermann (2.0.2)
+      ruby2_keywords (~> 0.0.1)
+    rack (2.2.4)
+    rack-protection (2.2.3)
       rack
-    sinatra (1.3.6)
-      rack (~> 1.4)
-      rack-protection (~> 1.3)
-      tilt (~> 1.3, >= 1.3.3)
-    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)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   json (= 1.7.7)
-  sinatra (~> 1.3.5)
+  sinatra (~> 2.2.3)