diff --git a/Gemfile.lock b/Gemfile.lock
index db02993a..26d317e2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -98,7 +98,6 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
-    childprocess (4.1.0)
     coderay (1.1.3)
     concurrent-ruby (1.1.10)
     crass (1.0.6)
@@ -304,8 +303,7 @@ GEM
       sprockets-rails
       tilt
     selectize-rails (0.12.6)
-    selenium-webdriver (4.2.1)
-      childprocess (>= 0.5, < 5.0)
+    selenium-webdriver (4.8.1)
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2, < 3.0)
       websocket (~> 1.0)