diff --git a/Gemfile.lock b/Gemfile.lock
index 1bd0726..873afa1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -107,6 +107,8 @@ GEM
     nio4r (2.5.8)
     nokogiri (1.13.9-x86_64-darwin)
       racc (~> 1.4)
+    nokogiri (1.13.9-x86_64-linux)
+      racc (~> 1.4)
     pg (1.4.4)
     poltergeist (1.18.1)
       capybara (>= 2.1, < 4)
@@ -116,7 +118,7 @@ GEM
     rabl (0.16.1)
       activesupport (>= 2.3.14)
     racc (1.6.0)
-    rack (2.2.4)
+    rack (2.2.6.2)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (5.0.7.2)
@@ -200,6 +202,7 @@ GEM
 
 PLATFORMS
   x86_64-darwin-20
+  x86_64-linux
 
 DEPENDENCIES
   capybara (>= 2.2.1)