diff --git a/test/scrapers/firefox-headless-ruby/Gemfile.lock b/test/scrapers/firefox-headless-ruby/Gemfile.lock
index ecd44cc4..c3fd5576 100644
--- a/test/scrapers/firefox-headless-ruby/Gemfile.lock
+++ b/test/scrapers/firefox-headless-ruby/Gemfile.lock
@@ -17,9 +17,9 @@ GEM
     nokogiri (1.10.7)
       mini_portile2 (~> 2.4.0)
     public_suffix (4.0.3)
-    rack (2.1.2)
-    rack-test (1.1.0)
-      rack (>= 1.0, < 3)
+    rack (3.0.4.1)
+    rack-test (2.0.2)
+      rack (>= 1.3)
     regexp_parser (1.6.0)
     rubyzip (2.2.0)
     selenium-webdriver (3.142.7)