diff --git a/Gemfile.lock b/Gemfile.lock
index ae36a65b..76d8c335 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -28,7 +28,6 @@ GEM
       ms_rest_azure (~> 0.11.1)
     azure_mgmt_resources (0.17.6)
       ms_rest_azure (~> 0.11.1)
-    backports (3.15.0)
     byebug (11.0.1)
     coderay (1.1.2)
     colorize (0.8.1)
@@ -77,9 +76,10 @@ GEM
       faraday-cookie_jar (~> 0.0.6)
       ms_rest (~> 0.7.4)
       unf_ext (= 0.0.7.2)
-    multi_json (1.13.1)
+    multi_json (1.15.0)
     multipart-post (2.1.1)
-    mustermann (1.0.3)
+    mustermann (2.0.2)
+      ruby2_keywords (~> 0.0.1)
     necromancer (0.5.0)
     paint (2.1.0)
     parallel (1.17.0)
@@ -97,8 +97,8 @@ GEM
     pry-byebug (3.7.0)
       byebug (~> 11.0)
       pry (~> 0.10)
-    rack (2.0.7)
-    rack-protection (2.0.5)
+    rack (2.2.4)
+    rack-protection (2.2.3)
       rack
     rainbow (3.0.0)
     rake (12.3.3)
@@ -131,19 +131,19 @@ GEM
     rubocop-rspec (1.23.0)
       rubocop (>= 0.52.1)
     ruby-progressbar (1.10.1)
+    ruby2_keywords (0.0.5)
     rubyzip (1.2.3)
-    sinatra (2.0.5)
-      mustermann (~> 1.0)
-      rack (~> 2.0)
-      rack-protection (= 2.0.5)
+    sinatra (2.2.3)
+      mustermann (~> 2.0)
+      rack (~> 2.2)
+      rack-protection (= 2.2.3)
       tilt (~> 2.0)
-    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)
     sinatra-namespace (1.0)
       sinatra-contrib
     sinatra-param (1.6.0)
@@ -154,7 +154,7 @@ GEM
       unicode_utils (~> 1.4)
     strings-ansi (0.1.0)
     thread_safe (0.3.6)
-    tilt (2.0.9)
+    tilt (2.0.11)
     timeliness (0.3.10)
     tty-color (0.5.0)
     tty-config (0.3.2)