diff --git a/Gemfile.lock b/Gemfile.lock
index 1c05f85..a7259ec 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,7 +50,7 @@ GEM
     diff-lcs (1.3)
     docile (1.3.1)
     erubi (1.7.1)
-    ethon (0.11.0)
+    ethon (0.12.0)
       ffi (>= 1.3.0)
     fabrication (2.20.1)
     faraday (0.15.3)
@@ -109,13 +109,13 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.4.0)
     minitest (5.11.3)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
     nenv (0.3.0)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.9.1)
+      mini_portile2 (~> 2.4.0)
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -269,4 +269,4 @@ DEPENDENCIES
   yard
 
 BUNDLED WITH
-   1.17.1
+   1.17.3