diff --git a/ruby/Gemfile.lock b/ruby/Gemfile.lock
index 40ee1ed..ad73c48 100644
--- a/ruby/Gemfile.lock
+++ b/ruby/Gemfile.lock
@@ -1,16 +1,31 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    base64 (0.2.0)
     blankslate (2.1.2.4)
     clj (0.0.5.6)
     haml (3.1.4)
-    rack (1.4.1)
+    logger (1.6.1)
+    mustermann (3.0.3)
+      ruby2_keywords (~> 0.0.1)
+    rack (3.1.8)
+    rack-protection (4.1.0)
+      base64 (>= 0.1.0)
+      logger (>= 1.6.0)
+      rack (>= 3.0.0, < 4)
+    rack-session (2.0.0)
+      rack (>= 3.0.0)
     rake (0.9.2.2)
-    sinatra (1.2.8)
-      rack (~> 1.1)
-      tilt (>= 1.2.2, < 2.0)
+    ruby2_keywords (0.0.5)
+    sinatra (4.1.0)
+      logger (>= 1.6.0)
+      mustermann (~> 3.0)
+      rack (>= 3.0.0, < 4)
+      rack-protection (= 4.1.0)
+      rack-session (>= 2.0.0, < 3)
+      tilt (~> 2.0)
     thor (0.14.6)
-    tilt (1.3.3)
+    tilt (2.4.0)
     torquebox (2.0.0.cr1)
       thor (>= 0.9.0, < 1.0.0)
       torquebox-cache (= 2.0.0.cr1)
@@ -47,6 +62,7 @@ GEM
 
 PLATFORMS
   java
+  x86_64-linux
 
 DEPENDENCIES
   haml