diff --git a/config/initializers/honeybadger.rb b/config/initializers/honeybadger.rb
index 70ab30f5a..d44267fa0 100644
--- a/config/initializers/honeybadger.rb
+++ b/config/initializers/honeybadger.rb
@@ -17,6 +17,8 @@ Honeybadger.configure do |config|
                            notice.error_message
                          elsif notice.error_message&.include?("BANNED")
                            "banned"
+                         elsif notice.error_message&.include?("Rack::Timeout::RequestTimeoutException")
+                           "rack_timeout"
                          elsif notice.component&.include?("internal")
                            "internal"
                          end
diff --git a/spec/initializers/honeybadger_spec.rb b/spec/initializers/honeybadger_spec.rb
index b091799ce..cab49aa26 100644
--- a/spec/initializers/honeybadger_spec.rb
+++ b/spec/initializers/honeybadger_spec.rb
@@ -21,6 +21,16 @@ describe Honeybadger do
     end
   end
 
+  context "when Rack::Timeout::RequestTimeoutException is raised" do
+    it "sets fingerprint to rack_timeout" do
+      notice = Honeybadger::Notice.new(
+        described_class.config, error_message: "Rack::Timeout::RequestTimeoutException happened"
+      )
+      described_class.config.before_notify_hooks.first.call(notice)
+      expect(notice.fingerprint).to eq("rack_timeout")
+    end
+  end
+
   context "when error is raised from an internal route" do
     it "halts notification" do
       notice = Honeybadger::Notice.new(