diff --git a/webapp/ruby/Gemfile.lock b/webapp/ruby/Gemfile.lock
index 58a6475..1f5ac2b 100644
--- a/webapp/ruby/Gemfile.lock
+++ b/webapp/ruby/Gemfile.lock
@@ -5,23 +5,26 @@ GEM
     erubis (2.7.0)
     foreman (0.88.1)
     kgio (2.11.4)
+    logger (1.6.1)
     mustermann (3.0.3)
       ruby2_keywords (~> 0.0.1)
     mysql2 (0.5.6)
     mysql2-cs-bind (0.1.1)
       mysql2
     rack (3.1.8)
-    rack-protection (4.0.0)
+    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)
     raindrops (0.20.1)
     ruby2_keywords (0.0.5)
-    sinatra (4.0.0)
+    sinatra (4.1.0)
+      logger (>= 1.6.0)
       mustermann (~> 3.0)
       rack (>= 3.0.0, < 4)
-      rack-protection (= 4.0.0)
+      rack-protection (= 4.1.0)
       rack-session (>= 2.0.0, < 3)
       tilt (~> 2.0)
     tilt (2.4.0)