diff --git a/composer.json b/composer.json
index 012f4ebf85ca7420820110dd6db9f1bdbf2b3ce5..371f94894a9cf27324a66921d6db2adec8aa74c9 100644
--- a/composer.json
+++ b/composer.json
@@ -76,7 +76,7 @@
         "drupal/redis": "^1.6",
         "drupal/security_review": "^2.0",
         "drupal/simple_sitemap": "^4.1",
-        "drupal/smart_date": "^3.6",
+        "drupal/smart_date": "^4.0",
         "drupal/smtp": "^1.2",
         "drupal/sqrl": "^2.0@RC",
         "drupal/stage_file_proxy": "^2.1",