diff --git a/code/main course/Lesson29/BarbershopHQ/Gemfile.lock b/code/main course/Lesson29/BarbershopHQ/Gemfile.lock
index 265b58b..c27b623 100644
--- a/code/main course/Lesson29/BarbershopHQ/Gemfile.lock	
+++ b/code/main course/Lesson29/BarbershopHQ/Gemfile.lock	
@@ -21,16 +21,16 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     arel (9.0.0)
-    backports (3.11.4)
     bond (0.5.1)
     concurrent-ruby (1.1.4)
     i18n (1.5.3)
       concurrent-ruby (~> 1.0)
     minitest (5.11.3)
     multi_json (1.13.1)
-    mustermann (1.0.3)
-    rack (2.0.6)
-    rack-protection (2.0.5)
+    mustermann (2.0.2)
+      ruby2_keywords (~> 0.0.1)
+    rack (2.2.4)
+    rack-protection (2.2.3)
       rack
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -40,25 +40,25 @@ GEM
       rack (>= 1.0)
       rack-test (~> 0.6.2)
       ripl (>= 0.7.0)
-    sinatra (2.0.5)
-      mustermann (~> 1.0)
-      rack (~> 2.0)
-      rack-protection (= 2.0.5)
+    ruby2_keywords (0.0.5)
+    sinatra (2.2.3)
+      mustermann (~> 2.0)
+      rack (~> 2.2)
+      rack-protection (= 2.2.3)
       tilt (~> 2.0)
-    sinatra-activerecord (2.0.13)
-      activerecord (>= 3.2)
+    sinatra-activerecord (2.0.26)
+      activerecord (>= 4.1)
       sinatra (>= 1.0)
-    sinatra-contrib (2.0.5)
-      backports (>= 2.8.2)
+    sinatra-contrib (2.2.3)
       multi_json
-      mustermann (~> 1.0)
-      rack-protection (= 2.0.5)
-      sinatra (= 2.0.5)
-      tilt (>= 1.3, < 3)
+      mustermann (~> 2.0)
+      rack-protection (= 2.2.3)
+      sinatra (= 2.2.3)
+      tilt (~> 2.0)
     sqlite3 (1.3.13)
     sqlite3 (1.3.13-x64-mingw32)
     thread_safe (0.3.6)
-    tilt (2.0.9)
+    tilt (2.0.11)
     tux (0.3.0)
       ripl (>= 0.3.5)
       ripl-multi_line (>= 0.2.4)