diff --git a/Gemfile.lock b/Gemfile.lock
index c1dec0d..ea0ebb1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -343,7 +343,8 @@ GEM
     multi_json (1.15.0)
     multi_xml (0.6.0)
     multipart-post (2.1.1)
-    mustermann (1.0.3)
+    mustermann (1.1.1)
+      ruby2_keywords (~> 0.0.1)
     nenv (0.3.0)
     net-scp (2.0.0)
       net-ssh (>= 2.6.5, < 6.0.0)
@@ -388,7 +389,7 @@ GEM
     puma (3.12.2)
     racc (1.5.2)
     rack (2.2.3)
-    rack-protection (2.0.5)
+    rack-protection (2.2.0)
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -506,6 +507,7 @@ GEM
       unicode-display_width (>= 1.4.0, < 1.6)
     ruby-prof (0.17.0)
     ruby-progressbar (1.10.0)
+    ruby2_keywords (0.0.5)
     ruby_dep (1.5.0)
     ruby_http_client (3.3.0)
     ruby_parser (3.13.1)
@@ -550,10 +552,10 @@ GEM
     simple_form (5.0.0)
       actionpack (>= 5.0)
       activemodel (>= 5.0)
-    sinatra (2.0.5)
+    sinatra (2.2.0)
       mustermann (~> 1.0)
-      rack (~> 2.0)
-      rack-protection (= 2.0.5)
+      rack (~> 2.2)
+      rack-protection (= 2.2.0)
       tilt (~> 2.0)
     socksify (1.7.1)
     sorcery (0.15.0)
@@ -584,7 +586,7 @@ GEM
       unicode-display_width (~> 1.1, >= 1.1.1)
     thor (0.19.4)
     thread_safe (0.3.6)
-    tilt (2.0.9)
+    tilt (2.0.10)
     timeliness (0.3.10)
     turbolinks (5.2.0)
       turbolinks-source (~> 5.2)