diff --git a/Gemfile.lock b/Gemfile.lock
index 784cafd..a4f3053 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,7 +86,6 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
-    childprocess (4.1.0)
     concurrent-ruby (1.1.10)
     connection_pool (2.3.0)
     crass (1.0.6)
@@ -228,8 +227,7 @@ GEM
     ruby-vips (2.1.4)
       ffi (~> 1.12)
     rubyzip (2.3.2)
-    selenium-webdriver (4.6.1)
-      childprocess (>= 0.5, < 5.0)
+    selenium-webdriver (4.7.1)
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2, < 3.0)
       websocket (~> 1.0)