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/apache/config/redis.config.php b/28/apache/config/redis.config.php
index a5b13da6..f9049924 100644
--- a/28/apache/config/redis.config.php
+++ b/28/apache/config/redis.config.php
@@ -4,7 +4,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.distributed' => '\OC\Memcache\Redis',
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
-      'host' => getenv('REDIS_HOST'),
+      'host' => ($_ENV['REDIS_PROTOCOL'] ?? 'tcp') . "://" . getenv('REDIS_HOST'),
       'password' => getenv('REDIS_HOST_PASSWORD_FILE') ? trim(file_get_contents(getenv('REDIS_HOST_PASSWORD_FILE'))) : (string) getenv('REDIS_HOST_PASSWORD'),
     ),
   );
diff --git a/28/apache/entrypoint.sh b/28/apache/entrypoint.sh
index 8e178f2e..ab4e9488 100755
--- a/28/apache/entrypoint.sh
+++ b/28/apache/entrypoint.sh
@@ -120,9 +120,9 @@ if expr "$1" : "apache" 1>/dev/null || [ "$1" = "php-fpm" ] || [ "${NEXTCLOUD_UP
               fi
             # check if redis password has been set
             elif [ -n "${REDIS_HOST_PASSWORD+x}" ]; then
-                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
+                echo "session.save_path = \"${REDIS_PROTOCOL:=tcp}://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
             else
-                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
+                echo "session.save_path = \"${REDIS_PROTOCOL:=tcp}://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
             fi
             echo "redis.session.locking_enabled = 1"
             echo "redis.session.lock_retries = -1"
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="$(mktemp -d)"; \
 # gpg key from https://nextcloud.com/nextcloud.asc
     gpg --batch --keyserver keyserver.ubuntu.com  --recv-keys 28806A878AE423A28372792ED75899B9A724937A; \
diff --git a/28/fpm-alpine/config/redis.config.php b/28/fpm-alpine/config/redis.config.php
index a5b13da6..f9049924 100644
--- a/28/fpm-alpine/config/redis.config.php
+++ b/28/fpm-alpine/config/redis.config.php
@@ -4,7 +4,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.distributed' => '\OC\Memcache\Redis',
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
-      'host' => getenv('REDIS_HOST'),
+      'host' => ($_ENV['REDIS_PROTOCOL'] ?? 'tcp') . "://" . getenv('REDIS_HOST'),
       'password' => getenv('REDIS_HOST_PASSWORD_FILE') ? trim(file_get_contents(getenv('REDIS_HOST_PASSWORD_FILE'))) : (string) getenv('REDIS_HOST_PASSWORD'),
     ),
   );
diff --git a/28/fpm-alpine/entrypoint.sh b/28/fpm-alpine/entrypoint.sh
index 8e178f2e..ab4e9488 100755
--- a/28/fpm-alpine/entrypoint.sh
+++ b/28/fpm-alpine/entrypoint.sh
@@ -120,9 +120,9 @@ if expr "$1" : "apache" 1>/dev/null || [ "$1" = "php-fpm" ] || [ "${NEXTCLOUD_UP
               fi
             # check if redis password has been set
             elif [ -n "${REDIS_HOST_PASSWORD+x}" ]; then
-                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
+                echo "session.save_path = \"${REDIS_PROTOCOL:=tcp}://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
             else
-                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
+                echo "session.save_path = \"${REDIS_PROTOCOL:=tcp}://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
             fi
             echo "redis.session.locking_enabled = 1"
             echo "redis.session.lock_retries = -1"
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/28/fpm/config/redis.config.php b/28/fpm/config/redis.config.php
index a5b13da6..f9049924 100644
--- a/28/fpm/config/redis.config.php
+++ b/28/fpm/config/redis.config.php
@@ -4,7 +4,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.distributed' => '\OC\Memcache\Redis',
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
-      'host' => getenv('REDIS_HOST'),
+      'host' => ($_ENV['REDIS_PROTOCOL'] ?? 'tcp') . "://" . getenv('REDIS_HOST'),
       'password' => getenv('REDIS_HOST_PASSWORD_FILE') ? trim(file_get_contents(getenv('REDIS_HOST_PASSWORD_FILE'))) : (string) getenv('REDIS_HOST_PASSWORD'),
     ),
   );
diff --git a/28/fpm/entrypoint.sh b/28/fpm/entrypoint.sh
index 8e178f2e..ab4e9488 100755
--- a/28/fpm/entrypoint.sh
+++ b/28/fpm/entrypoint.sh
@@ -120,9 +120,9 @@ if expr "$1" : "apache" 1>/dev/null || [ "$1" = "php-fpm" ] || [ "${NEXTCLOUD_UP
               fi
             # check if redis password has been set
             elif [ -n "${REDIS_HOST_PASSWORD+x}" ]; then
-                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
+                echo "session.save_path = \"${REDIS_PROTOCOL:=tcp}://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
             else
-                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
+                echo "session.save_path = \"${REDIS_PROTOCOL:=tcp}://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
             fi
             echo "redis.session.locking_enabled = 1"
             echo "redis.session.lock_retries = -1"
diff --git a/29/apache/config/redis.config.php b/29/apache/config/redis.config.php
index a5b13da6..f9049924 100644
--- a/29/apache/config/redis.config.php
+++ b/29/apache/config/redis.config.php
@@ -4,7 +4,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.distributed' => '\OC\Memcache\Redis',
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
-      'host' => getenv('REDIS_HOST'),
+      'host' => ($_ENV['REDIS_PROTOCOL'] ?? 'tcp') . "://" . getenv('REDIS_HOST'),
       'password' => getenv('REDIS_HOST_PASSWORD_FILE') ? trim(file_get_contents(getenv('REDIS_HOST_PASSWORD_FILE'))) : (string) getenv('REDIS_HOST_PASSWORD'),
     ),
   );
diff --git a/29/apache/entrypoint.sh b/29/apache/entrypoint.sh
index 8e178f2e..ab4e9488 100755
--- a/29/apache/entrypoint.sh
+++ b/29/apache/entrypoint.sh
@@ -120,9 +120,9 @@ if expr "$1" : "apache" 1>/dev/null || [ "$1" = "php-fpm" ] || [ "${NEXTCLOUD_UP
               fi
             # check if redis password has been set
             elif [ -n "${REDIS_HOST_PASSWORD+x}" ]; then
-                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
+                echo "session.save_path = \"${REDIS_PROTOCOL:=tcp}://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
             else
-                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
+                echo "session.save_path = \"${REDIS_PROTOCOL:=tcp}://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
             fi
             echo "redis.session.locking_enabled = 1"
             echo "redis.session.lock_retries = -1"
diff --git a/29/fpm-alpine/config/redis.config.php b/29/fpm-alpine/config/redis.config.php
index a5b13da6..f9049924 100644
--- a/29/fpm-alpine/config/redis.config.php
+++ b/29/fpm-alpine/config/redis.config.php
@@ -4,7 +4,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.distributed' => '\OC\Memcache\Redis',
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
-      'host' => getenv('REDIS_HOST'),
+      'host' => ($_ENV['REDIS_PROTOCOL'] ?? 'tcp') . "://" . getenv('REDIS_HOST'),
       'password' => getenv('REDIS_HOST_PASSWORD_FILE') ? trim(file_get_contents(getenv('REDIS_HOST_PASSWORD_FILE'))) : (string) getenv('REDIS_HOST_PASSWORD'),
     ),
   );
diff --git a/29/fpm-alpine/entrypoint.sh b/29/fpm-alpine/entrypoint.sh
index 8e178f2e..ab4e9488 100755
--- a/29/fpm-alpine/entrypoint.sh
+++ b/29/fpm-alpine/entrypoint.sh
@@ -120,9 +120,9 @@ if expr "$1" : "apache" 1>/dev/null || [ "$1" = "php-fpm" ] || [ "${NEXTCLOUD_UP
               fi
             # check if redis password has been set
             elif [ -n "${REDIS_HOST_PASSWORD+x}" ]; then
-                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
+                echo "session.save_path = \"${REDIS_PROTOCOL:=tcp}://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
             else
-                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
+                echo "session.save_path = \"${REDIS_PROTOCOL:=tcp}://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
             fi
             echo "redis.session.locking_enabled = 1"
             echo "redis.session.lock_retries = -1"
diff --git a/29/fpm/config/redis.config.php b/29/fpm/config/redis.config.php
index a5b13da6..f9049924 100644
--- a/29/fpm/config/redis.config.php
+++ b/29/fpm/config/redis.config.php
@@ -4,7 +4,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.distributed' => '\OC\Memcache\Redis',
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
-      'host' => getenv('REDIS_HOST'),
+      'host' => ($_ENV['REDIS_PROTOCOL'] ?? 'tcp') . "://" . getenv('REDIS_HOST'),
       'password' => getenv('REDIS_HOST_PASSWORD_FILE') ? trim(file_get_contents(getenv('REDIS_HOST_PASSWORD_FILE'))) : (string) getenv('REDIS_HOST_PASSWORD'),
     ),
   );
diff --git a/29/fpm/entrypoint.sh b/29/fpm/entrypoint.sh
index 8e178f2e..ab4e9488 100755
--- a/29/fpm/entrypoint.sh
+++ b/29/fpm/entrypoint.sh
@@ -120,9 +120,9 @@ if expr "$1" : "apache" 1>/dev/null || [ "$1" = "php-fpm" ] || [ "${NEXTCLOUD_UP
               fi
             # check if redis password has been set
             elif [ -n "${REDIS_HOST_PASSWORD+x}" ]; then
-                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
+                echo "session.save_path = \"${REDIS_PROTOCOL:=tcp}://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
             else
-                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
+                echo "session.save_path = \"${REDIS_PROTOCOL:=tcp}://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
             fi
             echo "redis.session.locking_enabled = 1"
             echo "redis.session.lock_retries = -1"
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/apache/config/redis.config.php b/30/apache/config/redis.config.php
index a5b13da6..f9049924 100644
--- a/30/apache/config/redis.config.php
+++ b/30/apache/config/redis.config.php
@@ -4,7 +4,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.distributed' => '\OC\Memcache\Redis',
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
-      'host' => getenv('REDIS_HOST'),
+      'host' => ($_ENV['REDIS_PROTOCOL'] ?? 'tcp') . "://" . getenv('REDIS_HOST'),
       'password' => getenv('REDIS_HOST_PASSWORD_FILE') ? trim(file_get_contents(getenv('REDIS_HOST_PASSWORD_FILE'))) : (string) getenv('REDIS_HOST_PASSWORD'),
     ),
   );
diff --git a/30/apache/entrypoint.sh b/30/apache/entrypoint.sh
index 8e178f2e..ab4e9488 100755
--- a/30/apache/entrypoint.sh
+++ b/30/apache/entrypoint.sh
@@ -120,9 +120,9 @@ if expr "$1" : "apache" 1>/dev/null || [ "$1" = "php-fpm" ] || [ "${NEXTCLOUD_UP
               fi
             # check if redis password has been set
             elif [ -n "${REDIS_HOST_PASSWORD+x}" ]; then
-                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
+                echo "session.save_path = \"${REDIS_PROTOCOL:=tcp}://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
             else
-                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
+                echo "session.save_path = \"${REDIS_PROTOCOL:=tcp}://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
             fi
             echo "redis.session.locking_enabled = 1"
             echo "redis.session.lock_retries = -1"
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="$(mktemp -d)"; \
 # gpg key from https://nextcloud.com/nextcloud.asc
     gpg --batch --keyserver keyserver.ubuntu.com  --recv-keys 28806A878AE423A28372792ED75899B9A724937A; \
diff --git a/30/fpm-alpine/config/redis.config.php b/30/fpm-alpine/config/redis.config.php
index a5b13da6..f9049924 100644
--- a/30/fpm-alpine/config/redis.config.php
+++ b/30/fpm-alpine/config/redis.config.php
@@ -4,7 +4,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.distributed' => '\OC\Memcache\Redis',
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
-      'host' => getenv('REDIS_HOST'),
+      'host' => ($_ENV['REDIS_PROTOCOL'] ?? 'tcp') . "://" . getenv('REDIS_HOST'),
       'password' => getenv('REDIS_HOST_PASSWORD_FILE') ? trim(file_get_contents(getenv('REDIS_HOST_PASSWORD_FILE'))) : (string) getenv('REDIS_HOST_PASSWORD'),
     ),
   );
diff --git a/30/fpm-alpine/entrypoint.sh b/30/fpm-alpine/entrypoint.sh
index 8e178f2e..ab4e9488 100755
--- a/30/fpm-alpine/entrypoint.sh
+++ b/30/fpm-alpine/entrypoint.sh
@@ -120,9 +120,9 @@ if expr "$1" : "apache" 1>/dev/null || [ "$1" = "php-fpm" ] || [ "${NEXTCLOUD_UP
               fi
             # check if redis password has been set
             elif [ -n "${REDIS_HOST_PASSWORD+x}" ]; then
-                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
+                echo "session.save_path = \"${REDIS_PROTOCOL:=tcp}://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
             else
-                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
+                echo "session.save_path = \"${REDIS_PROTOCOL:=tcp}://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
             fi
             echo "redis.session.locking_enabled = 1"
             echo "redis.session.lock_retries = -1"
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/30/fpm/config/redis.config.php b/30/fpm/config/redis.config.php
index a5b13da6..f9049924 100644
--- a/30/fpm/config/redis.config.php
+++ b/30/fpm/config/redis.config.php
@@ -4,7 +4,7 @@ if (getenv('REDIS_HOST')) {
     'memcache.distributed' => '\OC\Memcache\Redis',
     'memcache.locking' => '\OC\Memcache\Redis',
     'redis' => array(
-      'host' => getenv('REDIS_HOST'),
+      'host' => ($_ENV['REDIS_PROTOCOL'] ?? 'tcp') . "://" . getenv('REDIS_HOST'),
       'password' => getenv('REDIS_HOST_PASSWORD_FILE') ? trim(file_get_contents(getenv('REDIS_HOST_PASSWORD_FILE'))) : (string) getenv('REDIS_HOST_PASSWORD'),
     ),
   );
diff --git a/30/fpm/entrypoint.sh b/30/fpm/entrypoint.sh
index 8e178f2e..ab4e9488 100755
--- a/30/fpm/entrypoint.sh
+++ b/30/fpm/entrypoint.sh
@@ -120,9 +120,9 @@ if expr "$1" : "apache" 1>/dev/null || [ "$1" = "php-fpm" ] || [ "${NEXTCLOUD_UP
               fi
             # check if redis password has been set
             elif [ -n "${REDIS_HOST_PASSWORD+x}" ]; then
-                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
+                echo "session.save_path = \"${REDIS_PROTOCOL:=tcp}://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
             else
-                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
+                echo "session.save_path = \"${REDIS_PROTOCOL:=tcp}://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
             fi
             echo "redis.session.locking_enabled = 1"
             echo "redis.session.lock_retries = -1"
diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index 8e178f2e..ab4e9488 100755
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -120,9 +120,9 @@ if expr "$1" : "apache" 1>/dev/null || [ "$1" = "php-fpm" ] || [ "${NEXTCLOUD_UP
               fi
             # check if redis password has been set
             elif [ -n "${REDIS_HOST_PASSWORD+x}" ]; then
-                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
+                echo "session.save_path = \"${REDIS_PROTOCOL:=tcp}://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
             else
-                echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
+                echo "session.save_path = \"${REDIS_PROTOCOL:=tcp}://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
             fi
             echo "redis.session.locking_enabled = 1"
             echo "redis.session.lock_retries = -1"
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",