diff --git a/Gemfile.lock b/Gemfile.lock
index b35e0f5..ad252f1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -15,26 +15,35 @@ GEM
       aws-sdk-core (= 2.2.6)
     diff-lcs (1.2.5)
     dotenv (2.0.2)
-    haml (5.1.2)
-      temple (>= 0.8.0)
+    haml (6.0.12)
+      temple (>= 0.8.2)
+      thor
       tilt
+    http_router (0.5.4)
+      rack (>= 1.0.0)
+      url_mount (~> 0.2.1)
     i18n (0.7.0)
     jmespath (1.1.3)
     json (1.8.6)
     minitest (5.8.3)
-    padrino-helpers (0.13.0)
-      i18n (~> 0.6, >= 0.6.7)
-      padrino-support (= 0.13.0)
-      tilt (~> 1.4.1)
-    padrino-support (0.13.0)
-      activesupport (>= 3.1)
-    rack (1.6.13)
+    mustermann (2.0.2)
+      ruby2_keywords (~> 0.0.1)
+    padrino-core (0.9.21)
+      activesupport (>= 3.0.0)
+      http_router (~> 0.5.4)
+      sinatra (>= 1.1.0)
+      thor (>= 0.14.3)
+      tzinfo
+    padrino-helpers (0.9.21)
+      i18n (>= 0.4.1)
+      padrino-core (= 0.9.21)
+    rack (2.2.4)
     rack-flash3 (1.0.5)
       rack
-    rack-protection (1.5.5)
+    rack-protection (2.2.3)
       rack
-    rack-test (0.6.3)
-      rack (>= 1.0)
+    rack-test (2.0.2)
+      rack (>= 1.3)
     rake (13.0.1)
     rspec (3.4.0)
       rspec-core (~> 3.4.0)
@@ -49,16 +58,21 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.4.0)
     rspec-support (3.4.1)
+    ruby2_keywords (0.0.5)
     sass (3.2.19)
-    sinatra (1.4.6)
-      rack (~> 1.4)
-      rack-protection (~> 1.4)
-      tilt (>= 1.3, < 3)
+    sinatra (2.2.3)
+      mustermann (~> 2.0)
+      rack (~> 2.2)
+      rack-protection (= 2.2.3)
+      tilt (~> 2.0)
     temple (0.8.2)
+    thor (1.2.1)
     thread_safe (0.3.5)
-    tilt (1.4.1)
+    tilt (2.0.11)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
+    url_mount (0.2.1)
+      rack
 
 PLATFORMS
   ruby