diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index ecc3ce9..fc97d12 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -108,13 +108,13 @@ We will only merge pull requests that follow the project's coding style.
 Please check your code with the provided PHP_CodeSniffer standard:
 
 ```bash
-vendor/bin/phpcs --standard=vendor/phplist/core/Configuration/PhpCodeSniffer/ src/ tests/
+vendor/bin/phpcs --standard=vendor/phplist/core/config/PhpCodeSniffer/ src/ tests/
 ```
 
 Please also check the code structure using PHPMD:
 
 ```bash
-vendor/bin/phpmd src/ text vendor/phplist/core/Configuration/PHPMD/rules.xml
+vendor/bin/phpmd src/ text vendor/phplist/core/config/PHPMD/rules.xml
 ```
 
 And also please run the static code analysis:
@@ -126,7 +126,7 @@ vendor/bin/phpstan analyse -l 5 src/ tests/
 You can also run all code style checks using one long line from a bash shell:
 
 ```bash
-find src/ tests/ -name '*.php' -print0 | xargs -0 -n 1 -P 4 php -l && vendor/bin/phpstan analyse -l 5 src/ tests/ && vendor/bin/phpmd src/ text vendor/phplist/core/Configuration/PHPMD/rules.xml && vendor/bin/phpcs --standard=vendor/phplist/core/Configuration/PhpCodeSniffer/ src/ tests/
+find src/ tests/ -name '*.php' -print0 | xargs -0 -n 1 -P 4 php -l && vendor/bin/phpstan analyse -l 5 src/ tests/ && vendor/bin/phpmd src/ text vendor/phplist/core/config/PHPMD/rules.xml && vendor/bin/phpcs --standard=vendor/phplist/core/config/PhpCodeSniffer/ src/ tests/
 ```
 
 This will execute all tests except for the unit tests and the integration
diff --git a/.gitignore b/.gitignore
index f00fc74..9cd86d7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,10 +5,10 @@
 /.webprj
 /bin/
 /composer.lock
-/Configuration/bundles.yml
-/Configuration/config_modules.yml
-/Configuration/parameters.yml
-/Configuration/routing_modules.yml
+/config/bundles.yml
+/config/config_modules.yml
+/config/parameters.yml
+/config/routing_modules.yml
 /nbproject
 /public/
 /var/
diff --git a/.travis.yml b/.travis.yml
index 4c84294..2a2fbc5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -81,9 +81,9 @@ script:
 - >
   echo;
   echo "Running PHPMD";
-  vendor/bin/phpmd src/ text vendor/phplist/core/Configuration/PHPMD/rules.xml;
+  vendor/bin/phpmd src/ text vendor/phplist/core/config/PHPMD/rules.xml;
 
 - >
   echo;
   echo "Running PHP_CodeSniffer";
-  vendor/bin/phpcs --standard=vendor/phplist/core/Configuration/PhpCodeSniffer/ src/ tests/;
+  vendor/bin/phpcs --standard=vendor/phplist/core/config/PhpCodeSniffer/ src/ tests/;
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1493afd..66b030e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,7 +12,7 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 ### Changed
 - Move the PHPUnit configuration file (#54)
 - Use the renamed phplist/core package (#53)
-- Adopt more of the default Symfony project structure (#49, #50, #51, #55)
+- Adopt more of the default Symfony project structure (#49, #50, #51, #55, #58)
 
 ### Deprecated
 
diff --git a/Configuration/.gitkeep b/config/.gitkeep
similarity index 100%
rename from Configuration/.gitkeep
rename to config/.gitkeep
diff --git a/tests/Integration/Composer/ScriptsTest.php b/tests/Integration/Composer/ScriptsTest.php
index ad2dfd2..8d4d915 100644
--- a/tests/Integration/Composer/ScriptsTest.php
+++ b/tests/Integration/Composer/ScriptsTest.php
@@ -92,7 +92,7 @@ public function binariesExist(string $fileName)
      */
     private function getBundleConfigurationFilePath(): string
     {
-        return dirname(__DIR__, 3) . '/Configuration/bundles.yml';
+        return dirname(__DIR__, 3) . '/config/bundles.yml';
     }
 
     /**
@@ -130,7 +130,7 @@ public function bundleConfigurationFileContainsModuleBundles(string $bundleClass
      */
     private function getModuleRoutesConfigurationFilePath(): string
     {
-        return dirname(__DIR__, 3) . '/Configuration/routing_modules.yml';
+        return dirname(__DIR__, 3) . '/config/routing_modules.yml';
     }
 
     /**
@@ -146,7 +146,7 @@ public function moduleRoutesConfigurationFileExists()
      */
     public function parametersConfigurationFileExists()
     {
-        static::assertFileExists(dirname(__DIR__, 3) . '/Configuration/parameters.yml');
+        static::assertFileExists(dirname(__DIR__, 3) . '/config/parameters.yml');
     }
 
     /**
@@ -154,6 +154,6 @@ public function parametersConfigurationFileExists()
      */
     public function modulesConfigurationFileExists()
     {
-        static::assertFileExists(dirname(__DIR__, 3) . '/Configuration/config_modules.yml');
+        static::assertFileExists(dirname(__DIR__, 3) . '/config/config_modules.yml');
     }
 }