diff --git a/prefetch_cache.module b/prefetch_cache.module
index 08cb4fe..c8caecf 100644
--- a/prefetch_cache.module
+++ b/prefetch_cache.module
@@ -5,4 +5,4 @@
  */
 function prefetch_cache_page_attachments(&$page) {
   $page['#attached']['library'][] = 'prefetch_cache/prefetch_cache.process_links';
-}
\ No newline at end of file
+}
diff --git a/src/Cache/ChainCacheTagsGeneratorInterface.php b/src/Cache/ChainCacheTagsGeneratorInterface.php
index bdcefde..e7977de 100644
--- a/src/Cache/ChainCacheTagsGeneratorInterface.php
+++ b/src/Cache/ChainCacheTagsGeneratorInterface.php
@@ -34,4 +34,4 @@ interface ChainCacheTagsGeneratorInterface {
    * @return $this
    */
   public function addGenerator(CacheTagsGeneratorInterface $generator);
-}
\ No newline at end of file
+}
diff --git a/src/PrefetchCacheInterface.php b/src/PrefetchCacheInterface.php
index 26e8a0b..79f1759 100644
--- a/src/PrefetchCacheInterface.php
+++ b/src/PrefetchCacheInterface.php
@@ -37,4 +37,4 @@ interface PrefetchCacheInterface {
    * Request key for the generated cache id.
    */
   const PREFETCH_CACHE_CACHE_ID = 'prefetch_cache_cache_id';
-}
\ No newline at end of file
+}
