diff --git a/lib/generators/suspenders/lint_generator.rb b/lib/generators/suspenders/lint_generator.rb
index bd71a5e3b..af81b5731 100644
--- a/lib/generators/suspenders/lint_generator.rb
+++ b/lib/generators/suspenders/lint_generator.rb
@@ -30,6 +30,7 @@ def configure_eslint
 
       def configure_prettier
         copy_file "prettierrc", ".prettierrc"
+        copy_file "prettierignore", ".prettierignore"
       end
 
       def configure_erb_lint
diff --git a/lib/generators/templates/lint/prettierignore b/lib/generators/templates/lint/prettierignore
new file mode 100644
index 000000000..f2056e58e
--- /dev/null
+++ b/lib/generators/templates/lint/prettierignore
@@ -0,0 +1 @@
+vendor/bundle/**
diff --git a/test/generators/suspenders/lint_generator_test.rb b/test/generators/suspenders/lint_generator_test.rb
index 2bed402ff..7bc82f6ec 100644
--- a/test/generators/suspenders/lint_generator_test.rb
+++ b/test/generators/suspenders/lint_generator_test.rb
@@ -91,6 +91,14 @@ class LintGeneratorTest < Rails::Generators::TestCase
         assert_file app_root(".prettierrc") do |file|
           assert_equal expected_content, file
         end
+
+        assert_file app_root(".prettierignore") do |file|
+          expected = <<~TEXT
+            vendor/bundle/**
+          TEXT
+
+          assert_equal expected, file
+        end
       end
 
       test "configures erb-lint" do