diff --git a/.config/s3.config.php b/.config/s3.config.php
index a17e4037..a3464fc7 100644
--- a/.config/s3.config.php
+++ b/.config/s3.config.php
@@ -19,7 +19,14 @@ if (getenv('OBJECTSTORE_S3_BUCKET')) {
         // required for some non Amazon S3 implementations
         'use_path_style' => $use_path == true && strtolower($use_path) !== 'false',
         // required for older protocol versions
-        'legacy_auth' => $use_legacyauth == true && strtolower($use_legacyauth) !== 'false'
+        'legacy_auth' => $use_legacyauth == true && strtolower($use_legacyauth) !== 'false',
+        'concurrency' => getenv('OBJECTSTORE_S3_CONCURRENCY') ?: '',
+        'proxy' => getenv('OBJECTSTORE_S3_PROXY') ?: '',
+        'timeout' => getenv('OBJECTSTORE_S3_TIMEOUT') ?: '',
+        'uploadPartSize' => getenv('OBJECTSTORE_S3_UPLOADPARTSIZE') ?:'',
+        'putSizeLimit' => getenv('OBJECTSTORE_S3_PUTSIZELIMIT') ?: '',
+        'version' => getenv('OBJECTSTORE_S3_VERSION') ?: '',
+        'verify_bucket_exists' => getenv('OBJECTSTORE_S3_VERIFY_BUCKET_EXISTS') ?: ''
       )
     )
   );
diff --git a/28/apache/Dockerfile b/28/apache/Dockerfile
index 00bfaa72..2060d4b0 100644
--- a/28/apache/Dockerfile
+++ b/28/apache/Dockerfile
@@ -140,7 +140,7 @@ RUN { \
     } > /etc/apache2/conf-available/apache-limits.conf; \
     a2enconf apache-limits
 
-ENV NEXTCLOUD_VERSION 28.0.12
+ENV NEXTCLOUD_VERSION 28.0.14
 
 RUN set -ex; \
     fetchDeps=" \
@@ -150,8 +150,8 @@ RUN set -ex; \
     apt-get update; \
     apt-get install -y --no-install-recommends $fetchDeps; \
     \
-    curl -fsSL -o nextcloud.tar.bz2 "https://download.nextcloud.com/server/releases/nextcloud-28.0.12.tar.bz2"; \
-    curl -fsSL -o nextcloud.tar.bz2.asc "https://download.nextcloud.com/server/releases/nextcloud-28.0.12.tar.bz2.asc"; \
+    curl -fsSL -o nextcloud.tar.bz2 "https://download.nextcloud.com/server/releases/nextcloud-28.0.14.tar.bz2"; \
+    curl -fsSL -o nextcloud.tar.bz2.asc "https://download.nextcloud.com/server/releases/nextcloud-28.0.14.tar.bz2.asc"; \
     export GNUPGHOME="$(mktemp -d)"; \
 # gpg key from https://nextcloud.com/nextcloud.asc
     gpg --batch --keyserver keyserver.ubuntu.com --recv-keys 28806A878AE423A28372792ED75899B9A724937A; \
diff --git a/28/fpm-alpine/Dockerfile b/28/fpm-alpine/Dockerfile
index 18af3386..02cd4a23 100644
--- a/28/fpm-alpine/Dockerfile
+++ b/28/fpm-alpine/Dockerfile
@@ -120,7 +120,7 @@ RUN { \
 VOLUME /var/www/html
 
 
-ENV NEXTCLOUD_VERSION 28.0.12
+ENV NEXTCLOUD_VERSION 28.0.14
 
 RUN set -ex; \
     apk add --no-cache --virtual .fetch-deps \
@@ -128,8 +128,8 @@ RUN set -ex; \
         gnupg \
     ; \
     \
-    curl -fsSL -o nextcloud.tar.bz2 "https://download.nextcloud.com/server/releases/nextcloud-28.0.12.tar.bz2"; \
-    curl -fsSL -o nextcloud.tar.bz2.asc "https://download.nextcloud.com/server/releases/nextcloud-28.0.12.tar.bz2.asc"; \
+    curl -fsSL -o nextcloud.tar.bz2 "https://download.nextcloud.com/server/releases/nextcloud-28.0.14.tar.bz2"; \
+    curl -fsSL -o nextcloud.tar.bz2.asc "https://download.nextcloud.com/server/releases/nextcloud-28.0.14.tar.bz2.asc"; \
     export GNUPGHOME="$(mktemp -d)"; \
 # gpg key from https://nextcloud.com/nextcloud.asc
     gpg --batch --keyserver keyserver.ubuntu.com  --recv-keys 28806A878AE423A28372792ED75899B9A724937A; \
diff --git a/28/fpm/Dockerfile b/28/fpm/Dockerfile
index 40598ea8..3bf63e27 100644
--- a/28/fpm/Dockerfile
+++ b/28/fpm/Dockerfile
@@ -125,7 +125,7 @@ RUN { \
 VOLUME /var/www/html
 
 
-ENV NEXTCLOUD_VERSION 28.0.12
+ENV NEXTCLOUD_VERSION 28.0.14
 
 RUN set -ex; \
     fetchDeps=" \
@@ -135,8 +135,8 @@ RUN set -ex; \
     apt-get update; \
     apt-get install -y --no-install-recommends $fetchDeps; \
     \
-    curl -fsSL -o nextcloud.tar.bz2 "https://download.nextcloud.com/server/releases/nextcloud-28.0.12.tar.bz2"; \
-    curl -fsSL -o nextcloud.tar.bz2.asc "https://download.nextcloud.com/server/releases/nextcloud-28.0.12.tar.bz2.asc"; \
+    curl -fsSL -o nextcloud.tar.bz2 "https://download.nextcloud.com/server/releases/nextcloud-28.0.14.tar.bz2"; \
+    curl -fsSL -o nextcloud.tar.bz2.asc "https://download.nextcloud.com/server/releases/nextcloud-28.0.14.tar.bz2.asc"; \
     export GNUPGHOME="$(mktemp -d)"; \
 # gpg key from https://nextcloud.com/nextcloud.asc
     gpg --batch --keyserver keyserver.ubuntu.com --recv-keys 28806A878AE423A28372792ED75899B9A724937A; \
diff --git a/30/apache/Dockerfile b/30/apache/Dockerfile
index 0e0fd6aa..73ac6ccc 100644
--- a/30/apache/Dockerfile
+++ b/30/apache/Dockerfile
@@ -140,7 +140,7 @@ RUN { \
     } > /etc/apache2/conf-available/apache-limits.conf; \
     a2enconf apache-limits
 
-ENV NEXTCLOUD_VERSION 30.0.2
+ENV NEXTCLOUD_VERSION 30.0.4
 
 RUN set -ex; \
     fetchDeps=" \
@@ -150,8 +150,8 @@ RUN set -ex; \
     apt-get update; \
     apt-get install -y --no-install-recommends $fetchDeps; \
     \
-    curl -fsSL -o nextcloud.tar.bz2 "https://download.nextcloud.com/server/releases/nextcloud-30.0.2.tar.bz2"; \
-    curl -fsSL -o nextcloud.tar.bz2.asc "https://download.nextcloud.com/server/releases/nextcloud-30.0.2.tar.bz2.asc"; \
+    curl -fsSL -o nextcloud.tar.bz2 "https://download.nextcloud.com/server/releases/nextcloud-30.0.4.tar.bz2"; \
+    curl -fsSL -o nextcloud.tar.bz2.asc "https://download.nextcloud.com/server/releases/nextcloud-30.0.4.tar.bz2.asc"; \
     export GNUPGHOME="$(mktemp -d)"; \
 # gpg key from https://nextcloud.com/nextcloud.asc
     gpg --batch --keyserver keyserver.ubuntu.com --recv-keys 28806A878AE423A28372792ED75899B9A724937A; \
diff --git a/30/fpm-alpine/Dockerfile b/30/fpm-alpine/Dockerfile
index 79783a65..52ea716c 100644
--- a/30/fpm-alpine/Dockerfile
+++ b/30/fpm-alpine/Dockerfile
@@ -120,7 +120,7 @@ RUN { \
 VOLUME /var/www/html
 
 
-ENV NEXTCLOUD_VERSION 30.0.2
+ENV NEXTCLOUD_VERSION 30.0.4
 
 RUN set -ex; \
     apk add --no-cache --virtual .fetch-deps \
@@ -128,8 +128,8 @@ RUN set -ex; \
         gnupg \
     ; \
     \
-    curl -fsSL -o nextcloud.tar.bz2 "https://download.nextcloud.com/server/releases/nextcloud-30.0.2.tar.bz2"; \
-    curl -fsSL -o nextcloud.tar.bz2.asc "https://download.nextcloud.com/server/releases/nextcloud-30.0.2.tar.bz2.asc"; \
+    curl -fsSL -o nextcloud.tar.bz2 "https://download.nextcloud.com/server/releases/nextcloud-30.0.4.tar.bz2"; \
+    curl -fsSL -o nextcloud.tar.bz2.asc "https://download.nextcloud.com/server/releases/nextcloud-30.0.4.tar.bz2.asc"; \
     export GNUPGHOME="$(mktemp -d)"; \
 # gpg key from https://nextcloud.com/nextcloud.asc
     gpg --batch --keyserver keyserver.ubuntu.com  --recv-keys 28806A878AE423A28372792ED75899B9A724937A; \
diff --git a/30/fpm/Dockerfile b/30/fpm/Dockerfile
index 4258ff9d..dfe49612 100644
--- a/30/fpm/Dockerfile
+++ b/30/fpm/Dockerfile
@@ -125,7 +125,7 @@ RUN { \
 VOLUME /var/www/html
 
 
-ENV NEXTCLOUD_VERSION 30.0.2
+ENV NEXTCLOUD_VERSION 30.0.4
 
 RUN set -ex; \
     fetchDeps=" \
@@ -135,8 +135,8 @@ RUN set -ex; \
     apt-get update; \
     apt-get install -y --no-install-recommends $fetchDeps; \
     \
-    curl -fsSL -o nextcloud.tar.bz2 "https://download.nextcloud.com/server/releases/nextcloud-30.0.2.tar.bz2"; \
-    curl -fsSL -o nextcloud.tar.bz2.asc "https://download.nextcloud.com/server/releases/nextcloud-30.0.2.tar.bz2.asc"; \
+    curl -fsSL -o nextcloud.tar.bz2 "https://download.nextcloud.com/server/releases/nextcloud-30.0.4.tar.bz2"; \
+    curl -fsSL -o nextcloud.tar.bz2.asc "https://download.nextcloud.com/server/releases/nextcloud-30.0.4.tar.bz2.asc"; \
     export GNUPGHOME="$(mktemp -d)"; \
 # gpg key from https://nextcloud.com/nextcloud.asc
     gpg --batch --keyserver keyserver.ubuntu.com --recv-keys 28806A878AE423A28372792ED75899B9A724937A; \
diff --git a/README.md b/README.md
index b3d5e7df..66155e81 100644
--- a/README.md
+++ b/README.md
@@ -265,6 +265,13 @@ To use an external S3 compatible object store as primary storage, set the follow
 - `OBJECTSTORE_S3_OBJECT_PREFIX` (default: `urn:oid:`): Prefix to prepend to the fileid
 - `OBJECTSTORE_S3_AUTOCREATE` (default: `true`): Create the container if it does not exist
 - `OBJECTSTORE_S3_SSE_C_KEY` (not set by default): Base64 encoded key with a maximum length of 32 bytes for server side encryption (SSE-C)
+- `OBJECTSTORE_S3_CONCURRENCY` (default: `5`) defines the maximum number of concurrent multipart uploads
+- `OBJECTSTORE_S3_PROXY` (default: `false`)
+- `OBJECTSTORE_S3_TIMEOUT` (default: `15`)
+- `OBJECTSTORE_S3_UPLOADPARTSIZE` (default: `524288000`)
+- `OBJECTSTORE_S3_PUTSIZELIMIT` (default: `104857600`)
+- `OBJECTSTORE_S3_VERSION` (default: `latest`)
+- `OBJECTSTORE_S3_VERIFY_BUCKET_EXISTS` (default: `true`)
 
 Check the [Nextcloud documentation](https://docs.nextcloud.com/server/latest/admin_manual/configuration_files/primary_storage.html#simple-storage-service-s3) for more information.
 
diff --git a/generate-stackbrew-library.sh b/generate-stackbrew-library.sh
index 7a1332ef..f65b49ed 100755
--- a/generate-stackbrew-library.sh
+++ b/generate-stackbrew-library.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
 
-stable_channel='30.0.2'
+stable_channel='30.0.4'
 
 self="$(basename "$BASH_SOURCE")"
 cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
diff --git a/latest.txt b/latest.txt
index 4f3a0694..49ab6171 100644
--- a/latest.txt
+++ b/latest.txt
@@ -1 +1 @@
-30.0.2
+30.0.4
diff --git a/versions.json b/versions.json
index 31550da5..ec8b3ca9 100644
--- a/versions.json
+++ b/versions.json
@@ -1,9 +1,9 @@
 {
   "30": {
     "branch": "30",
-    "version": "30.0.2",
-    "url": "https://download.nextcloud.com/server/releases/nextcloud-30.0.2.tar.bz2",
-    "ascUrl": "https://download.nextcloud.com/server/releases/nextcloud-30.0.2.tar.bz2.asc",
+    "version": "30.0.4",
+    "url": "https://download.nextcloud.com/server/releases/nextcloud-30.0.4.tar.bz2",
+    "ascUrl": "https://download.nextcloud.com/server/releases/nextcloud-30.0.4.tar.bz2.asc",
     "variants": {
       "apache": {
         "variant": "apache",
@@ -53,9 +53,9 @@
   },
   "28": {
     "branch": "28",
-    "version": "28.0.12",
-    "url": "https://download.nextcloud.com/server/releases/nextcloud-28.0.12.tar.bz2",
-    "ascUrl": "https://download.nextcloud.com/server/releases/nextcloud-28.0.12.tar.bz2.asc",
+    "version": "28.0.14",
+    "url": "https://download.nextcloud.com/server/releases/nextcloud-28.0.14.tar.bz2",
+    "ascUrl": "https://download.nextcloud.com/server/releases/nextcloud-28.0.14.tar.bz2.asc",
     "variants": {
       "apache": {
         "variant": "apache",