diff --git a/code/7/tprov_api/Gemfile.lock b/code/7/tprov_api/Gemfile.lock
index 57808c4..9989f02 100644
--- a/code/7/tprov_api/Gemfile.lock
+++ b/code/7/tprov_api/Gemfile.lock
@@ -10,21 +10,25 @@ GEM
       sinatra (>= 0.9.1.1)
     excon (0.31.0)
     json (1.8.1)
-    rack (1.5.2)
-    rack-protection (1.5.0)
+    mustermann (2.0.2)
+      ruby2_keywords (~> 0.0.1)
+    rack (2.2.4)
+    rack-protection (2.2.3)
       rack
     redis (3.0.4)
-    sinatra (1.4.3)
-      rack (~> 1.4)
-      rack-protection (~> 1.4)
-      tilt (~> 1.3, >= 1.3.4)
+    ruby2_keywords (0.0.5)
+    sinatra (2.2.3)
+      mustermann (~> 2.0)
+      rack (~> 2.2)
+      rack-protection (= 2.2.3)
+      tilt (~> 2.0)
     sinatra-flash (0.3.0)
       sinatra (>= 1.0.0)
     sinatra-redirect-with-flash (0.2.0)
       sinatra (>= 1.0.0)
     sinatra-static-assets (1.0.4)
       sinatra (>= 1.1.0)
-    tilt (1.4.1)
+    tilt (2.0.11)
 
 PLATFORMS
   ruby