Update for compatibility

Author: dhh

Gemfile.lock

@@ -96,14 +96,14 @@ GEM
     mini_mime (1.0.3)
     minitest (5.14.4)
     nio4r (2.5.7)
-    nokogiri (1.13.6-arm64-darwin)
+    nokogiri (1.15.2-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.13.6-x86_64-darwin)
+    nokogiri (1.15.2-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.13.6-x86_64-linux)
+    nokogiri (1.15.2-x86_64-linux)
       racc (~> 1.4)
     public_suffix (4.0.6)
-    racc (1.5.2)
+    racc (1.7.1)
     rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)