diff --git a/changelog/fix_incorrect_documentation_urls.md b/changelog/fix_incorrect_documentation_urls.md
new file mode 100644
index 00000000..eabef5bf
--- /dev/null
+++ b/changelog/fix_incorrect_documentation_urls.md
@@ -0,0 +1 @@
+* [#178](https://github.com/rubocop/rubocop-minitest/pull/178): Fix incorrect documentation URLs when using `rubocop --show-docs-url`. ([@r7kamura][])
diff --git a/config/default.yml b/config/default.yml
index 96d54944..2bc9fab6 100644
--- a/config/default.yml
+++ b/config/default.yml
@@ -3,6 +3,7 @@ Minitest:
   Include:
     - '**/test/**/*'
     - '**/*_test.rb'
+  DocumentationBaseURL: https://docs.rubocop.org/rubocop-minitest
 
 Minitest/AssertEmpty:
   Description: 'This cop enforces the test to use `assert_empty` instead of using `assert(object.empty?)`.'