diff --git a/Gemfile.lock b/Gemfile.lock
index 406a952..3f9d5e1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -76,8 +76,8 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (~> 1.2)
       xpath (~> 3.2)
-    childprocess (0.9.0)
-      ffi (~> 1.0, >= 1.0.11)
+    childprocess (1.0.1)
+      rake (< 13.0)
     coffee-rails (4.2.2)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0)
@@ -95,7 +95,7 @@ GEM
       warden (~> 1.2.3)
     erubi (1.8.0)
     execjs (2.7.0)
-    ffi (1.9.25)
+    ffi (1.10.0)
     formtastic (3.1.5)
       actionpack (>= 3.2.13)
     formtastic_i18n (0.6.0)
@@ -206,8 +206,8 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    selenium-webdriver (3.141.0)
-      childprocess (~> 0.5)
+    selenium-webdriver (3.142.1)
+      childprocess (>= 0.5, < 2.0)
       rubyzip (~> 1.2, >= 1.2.2)
     sprockets (3.7.2)
       concurrent-ruby (~> 1.0)