diff --git a/Library/Homebrew/resource_auditor.rb b/Library/Homebrew/resource_auditor.rb
index 796af321e5..7a208c95da 100644
--- a/Library/Homebrew/resource_auditor.rb
+++ b/Library/Homebrew/resource_auditor.rb
@@ -108,8 +108,13 @@ module Homebrew
       return unless url.match?(%r{^https?://files\.pythonhosted\.org/packages/})
       return if name == owner.name # Skip the top-level package name as we only care about `resource "foo"` blocks.
 
-      url =~ %r{/(?<package_name>[^/]+)-}
-      pypi_package_name = Regexp.last_match(:package_name).to_s.gsub(/[_.]/, "-")
+      if url.end_with? ".whl"
+        pypi_package_name, = File.basename(URI(url).path).split("-", 2)
+      else
+        url =~ %r{/(?<package_name>[^/]+)-}
+        pypi_package_name = Regexp.last_match(:package_name).to_s.gsub(/[_.]/, "-")
+      end
+
       return if name.casecmp(pypi_package_name).zero?
 
       problem "resource name should be `#{pypi_package_name}` to match the PyPI package name"