diff --git a/Gemfile.lock b/Gemfile.lock
old mode 100755
new mode 100644
index e6abbd3..f9da504
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -38,7 +38,7 @@ GEM
     mime-types-data (3.2021.0901)
     minitest (5.14.4)
     multi_json (1.15.0)
-    mustermann (1.1.1)
+    mustermann (2.0.2)
       ruby2_keywords (~> 0.0.1)
     netrc (0.11.0)
     nio4r (2.5.8)
@@ -52,8 +52,8 @@ GEM
       pry (~> 0.13.0)
     puma (5.5.2)
       nio4r (~> 2.0)
-    rack (2.2.3)
-    rack-protection (2.1.0)
+    rack (2.2.4)
+    rack-protection (2.2.3)
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -77,18 +77,18 @@ GEM
       rspec-support (~> 3.10.0)
     rspec-support (3.10.2)
     ruby2_keywords (0.0.5)
-    sinatra (2.1.0)
-      mustermann (~> 1.0)
+    sinatra (2.2.3)
+      mustermann (~> 2.0)
       rack (~> 2.2)
-      rack-protection (= 2.1.0)
+      rack-protection (= 2.2.3)
       tilt (~> 2.0)
-    sinatra-contrib (2.1.0)
+    sinatra-contrib (2.2.3)
       multi_json
-      mustermann (~> 1.0)
-      rack-protection (= 2.1.0)
-      sinatra (= 2.1.0)
+      mustermann (~> 2.0)
+      rack-protection (= 2.2.3)
+      sinatra (= 2.2.3)
       tilt (~> 2.0)
-    tilt (2.0.10)
+    tilt (2.0.11)
     tzinfo (2.0.4)
       concurrent-ruby (~> 1.0)
     unf (0.1.4)