diff --git a/Gemfile.lock b/Gemfile.lock
index 4311fba..63da12a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,7 +21,7 @@ GEM
       tzinfo (~> 2.0)
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
-    base64 (0.2.0)
+    base64 (0.3.0)
     benchmark (0.4.0)
     bigdecimal (3.1.9)
     coffee-script (2.4.1)
@@ -33,9 +33,9 @@ GEM
     concurrent-ruby (1.3.5)
     connection_pool (2.5.0)
     csv (3.3.3)
-    dnsruby (1.72.4)
-      base64 (~> 0.2.0)
-      logger (~> 1.6.5)
+    dnsruby (1.73.0)
+      base64 (>= 0.2)
+      logger (~> 1.6)
       simpleidn (~> 0.2.1)
     drb (2.2.1)
     em-websocket (0.5.3)
@@ -247,7 +247,7 @@ GEM
     listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    logger (1.6.6)
+    logger (1.7.0)
     mercenary (0.3.6)
     minima (2.5.1)
       jekyll (>= 3.5, < 5.0)
@@ -255,7 +255,7 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.25.5)
     multi_json (1.15.0)
-    mustermann (3.0.3)
+    mustermann (3.0.4)
       ruby2_keywords (~> 0.0.1)
     mutex_m (0.3.0)
     net-http (0.6.0)
@@ -274,8 +274,8 @@ GEM
       forwardable-extended (~> 2.6)
     public_suffix (5.1.1)
     racc (1.8.1)
-    rack (3.1.16)
-    rack-protection (4.1.1)
+    rack (3.2.3)
+    rack-protection (4.2.0)
       base64 (>= 0.1.0)
       logger (>= 1.6.0)
       rack (>= 3.0.0, < 4)
@@ -304,22 +304,22 @@ GEM
       faraday (>= 0.17.3, < 3)
     securerandom (0.3.2)
     simpleidn (0.2.3)
-    sinatra (4.1.1)
+    sinatra (4.2.0)
       logger (>= 1.6.0)
       mustermann (~> 3.0)
       rack (>= 3.0.0, < 4)
-      rack-protection (= 4.1.1)
+      rack-protection (= 4.2.0)
       rack-session (>= 2.0.0, < 3)
       tilt (~> 2.0)
-    sinatra-contrib (4.1.1)
+    sinatra-contrib (4.2.0)
       multi_json (>= 0.0.2)
       mustermann (~> 3.0)
-      rack-protection (= 4.1.1)
-      sinatra (= 4.1.1)
+      rack-protection (= 4.2.0)
+      sinatra (= 4.2.0)
       tilt (~> 2.0)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
-    tilt (2.6.0)
+    tilt (2.6.1)
     typhoeus (1.4.1)
       ethon (>= 0.9.0)
     tzinfo (2.0.6)