diff --git a/Gemfile.lock b/Gemfile.lock
index 97d5aa7..76dbec5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -203,7 +203,7 @@ GEM
       rspec-mocks (~> 3.8.0)
       rspec-support (~> 3.8.0)
     rspec-support (3.8.0)
-    rubyzip (1.3.0)
+    rubyzip (2.0.0)
     safe_yaml (1.0.5)
     sass (3.5.7)
       sass-listen (~> 4.0.0)
@@ -218,9 +218,9 @@ GEM
       tilt (>= 1.1, < 3)
     sdoc (1.0.0)
       rdoc (>= 5.0)
-    selenium-webdriver (3.142.4)
+    selenium-webdriver (3.142.5)
       childprocess (>= 0.5, < 3.0)
-      rubyzip (~> 1.2, >= 1.2.2)
+      rubyzip (>= 1.2.2)
     shoulda-matchers (4.1.2)
       activesupport (>= 4.2.0)
     simple_form (4.1.0)