diff --git a/CHANGELOG.md b/CHANGELOG.md
index f6633e5..7d2b6dc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 ### Removed
 
 ### Fixed
+- Have all extension dependencies in the `ext_emconf.php` as well (#515)
 - Bump the minimal 10.4 Extbase requirement (#514)
 - Explicitly require Prophecy (#511)
 
diff --git a/ext_emconf.php b/ext_emconf.php
index a5ed6a3..a1ccd3d 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -10,6 +10,8 @@ $EM_CONF[$_EXTKEY] = [
             'php' => '7.2.0-8.1.99',
             'typo3' => '10.4.0-11.5.99',
             'extbase' => '10.4.6-11.5.99',
+            'fluid' => '10.4.0-11.5.99',
+            'frontend' => '10.4.0-11.5.99',
         ],
     ],
     'state' => 'stable',