diff --git a/Gemfile.lock b/Gemfile.lock
index 02ba4a2..702c00e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -56,7 +56,7 @@ GEM
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (>= 2.0, < 4.0)
-    childprocess (0.8.0)
+    childprocess (0.9.0)
       ffi (~> 1.0, >= 1.0.11)
     code_analyzer (0.4.8)
       sexp_processor
@@ -84,7 +84,7 @@ GEM
     factory_bot_rails (4.8.2)
       factory_bot (~> 4.8.2)
       railties (>= 3.0.0)
-    ffi (1.9.21)
+    ffi (1.9.23)
     globalid (0.4.1)
       activesupport (>= 4.2.0)
     i18n (0.9.5)
@@ -195,7 +195,7 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    selenium-webdriver (3.9.0)
+    selenium-webdriver (3.11.0)
       childprocess (~> 0.5)
       rubyzip (~> 1.2)
     sexp_processor (4.10.0)