diff --git a/calculator_service/Gemfile.lock b/calculator_service/Gemfile.lock
index 8b02429..b5a276e 100644
--- a/calculator_service/Gemfile.lock
+++ b/calculator_service/Gemfile.lock
@@ -2,19 +2,22 @@ GEM
   remote: https://rubygems.org/
   specs:
     base64 (0.2.0)
+    logger (1.6.3)
     mustermann (3.0.3)
       ruby2_keywords (~> 0.0.1)
-    rack (3.1.7)
-    rack-protection (4.0.0)
+    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)
     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)