diff --git a/13.0/apache/config/redis.config.php b/13.0/apache/config/redis.config.php
index 8f4b7ec7..5df799f2 100644
--- a/13.0/apache/config/redis.config.php
+++ b/13.0/apache/config/redis.config.php
@@ -5,6 +5,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
       'host' => getenv('REDIS_HOST'),
+      'port' => getenv('REDIS_HOST_PORT') ?: 6379,
     ),
   );
 }
diff --git a/13.0/fpm-alpine/config/redis.config.php b/13.0/fpm-alpine/config/redis.config.php
index 8f4b7ec7..5df799f2 100644
--- a/13.0/fpm-alpine/config/redis.config.php
+++ b/13.0/fpm-alpine/config/redis.config.php
@@ -5,6 +5,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
       'host' => getenv('REDIS_HOST'),
+      'port' => getenv('REDIS_HOST_PORT') ?: 6379,
     ),
   );
 }
diff --git a/13.0/fpm/config/redis.config.php b/13.0/fpm/config/redis.config.php
index 8f4b7ec7..5df799f2 100644
--- a/13.0/fpm/config/redis.config.php
+++ b/13.0/fpm/config/redis.config.php
@@ -5,6 +5,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
       'host' => getenv('REDIS_HOST'),
+      'port' => getenv('REDIS_HOST_PORT') ?: 6379,
     ),
   );
 }
diff --git a/14.0/apache/config/redis.config.php b/14.0/apache/config/redis.config.php
index 8f4b7ec7..5df799f2 100644
--- a/14.0/apache/config/redis.config.php
+++ b/14.0/apache/config/redis.config.php
@@ -5,6 +5,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
       'host' => getenv('REDIS_HOST'),
+      'port' => getenv('REDIS_HOST_PORT') ?: 6379,
     ),
   );
 }
diff --git a/14.0/fpm-alpine/config/redis.config.php b/14.0/fpm-alpine/config/redis.config.php
index 8f4b7ec7..5df799f2 100644
--- a/14.0/fpm-alpine/config/redis.config.php
+++ b/14.0/fpm-alpine/config/redis.config.php
@@ -5,6 +5,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
       'host' => getenv('REDIS_HOST'),
+      'port' => getenv('REDIS_HOST_PORT') ?: 6379,
     ),
   );
 }
diff --git a/14.0/fpm/config/redis.config.php b/14.0/fpm/config/redis.config.php
index 8f4b7ec7..5df799f2 100644
--- a/14.0/fpm/config/redis.config.php
+++ b/14.0/fpm/config/redis.config.php
@@ -5,6 +5,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
       'host' => getenv('REDIS_HOST'),
+      'port' => getenv('REDIS_HOST_PORT') ?: 6379,
     ),
   );
 }
diff --git a/15.0/apache/config/redis.config.php b/15.0/apache/config/redis.config.php
index 8f4b7ec7..5df799f2 100644
--- a/15.0/apache/config/redis.config.php
+++ b/15.0/apache/config/redis.config.php
@@ -5,6 +5,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
       'host' => getenv('REDIS_HOST'),
+      'port' => getenv('REDIS_HOST_PORT') ?: 6379,
     ),
   );
 }
diff --git a/15.0/fpm-alpine/config/redis.config.php b/15.0/fpm-alpine/config/redis.config.php
index 8f4b7ec7..5df799f2 100644
--- a/15.0/fpm-alpine/config/redis.config.php
+++ b/15.0/fpm-alpine/config/redis.config.php
@@ -5,6 +5,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
       'host' => getenv('REDIS_HOST'),
+      'port' => getenv('REDIS_HOST_PORT') ?: 6379,
     ),
   );
 }
diff --git a/15.0/fpm/config/redis.config.php b/15.0/fpm/config/redis.config.php
index 8f4b7ec7..5df799f2 100644
--- a/15.0/fpm/config/redis.config.php
+++ b/15.0/fpm/config/redis.config.php
@@ -5,6 +5,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
       'host' => getenv('REDIS_HOST'),
+      'port' => getenv('REDIS_HOST_PORT') ?: 6379,
     ),
   );
 }