diff --git a/circuit2/visualizer/Gemfile.lock b/circuit2/visualizer/Gemfile.lock
old mode 100755
new mode 100644
index 315ab20..c111e8d
--- a/circuit2/visualizer/Gemfile.lock
+++ b/circuit2/visualizer/Gemfile.lock
@@ -10,17 +10,24 @@ GEM
       multi_json (~> 1.0)
     libv8 (3.3.10.2)
     multi_json (1.0.3)
-    rack (1.3.3)
+    mustermann (1.1.1)
+      ruby2_keywords (~> 0.0.1)
+    rack (2.2.3)
+    rack-protection (2.2.0)
+      rack
     rake (0.9.2)
+    ruby2_keywords (0.0.5)
     sass (3.1.7)
     shotgun (0.9)
       rack (>= 1.0)
-    sinatra (1.2.6)
-      rack (~> 1.1)
-      tilt (< 2.0, >= 1.2.2)
+    sinatra (2.2.0)
+      mustermann (~> 1.0)
+      rack (~> 2.2)
+      rack-protection (= 2.2.0)
+      tilt (~> 2.0)
     therubyracer (0.9.4)
       libv8 (~> 3.3.10)
-    tilt (1.3.3)
+    tilt (2.0.10)
 
 PLATFORMS
   ruby