diff --git a/lib/ruby_lsp/ruby_lsp_rails/server.rb b/lib/ruby_lsp/ruby_lsp_rails/server.rb
index 7cad461c..cbe0cca9 100644
--- a/lib/ruby_lsp/ruby_lsp_rails/server.rb
+++ b/lib/ruby_lsp/ruby_lsp_rails/server.rb
@@ -3,6 +3,12 @@
 
 require "json"
 
+if ActionDispatch::Routing::Mapper.respond_to?(:route_source_locations)
+  ActionDispatch::Routing::Mapper.route_source_locations = true
+end
+
+Rails.application.routes.eager_load!
+
 # NOTE: We should avoid printing to stderr since it causes problems. We never read the standard error pipe from the
 # client, so it will become full and eventually hang or crash. Instead, return a response with an `error` key.
 
diff --git a/test/dummy/db/schema.rb b/test/dummy/db/schema.rb
index 9d61df68..fa61c344 100644
--- a/test/dummy/db/schema.rb
+++ b/test/dummy/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2024_05_21_183200) do
+ActiveRecord::Schema[8.0].define(version: 2024_10_25_225348) do
   create_table "composite_primary_keys", primary_key: ["order_id", "product_id"], force: :cascade do |t|
     t.integer "order_id"
     t.integer "product_id"
diff --git a/test/ruby_lsp_rails/server_test.rb b/test/ruby_lsp_rails/server_test.rb
index 1b3f68ce..e255a9b1 100644
--- a/test/ruby_lsp_rails/server_test.rb
+++ b/test/ruby_lsp_rails/server_test.rb
@@ -116,7 +116,7 @@ def <(other)
   test "route location returns the location for a valid route" do
     @server.execute("route_location", { name: "user_path" })
     location = response[:result][:location]
-    assert_match %r{test/dummy/config/routes.rb:4$}, location
+    assert_match %r{test/dummy/config/routes.rb:3$}, location
   end
 
   test "route location returns nil for invalid routes" do
@@ -130,7 +130,7 @@ def <(other)
     result = response[:result]
 
     source_location_path, source_location_line = result[:source_location]
-    assert_equal "4", source_location_line
+    assert_equal "3", source_location_line
     assert source_location_path.end_with?("config/routes.rb")
     assert_equal "GET", result[:verb]
     assert_equal "/users(.:format)", result[:path]