diff --git a/backend/.env.dist b/backend/.env.dist
index 51a751a23..689e138e4 100644
--- a/backend/.env.dist
+++ b/backend/.env.dist
@@ -6,7 +6,7 @@ GRAPHIQL=false
 GDT_ACTIVE=false
 
 # Database
-DB_HOST=localhost
+DB_HOST=127.0.0.1
 DB_PORT=3306
 DB_USER=root
 DB_PASSWORD=
diff --git a/backend/.env.org b/backend/.env.org
index fb95c950d..a0082aab1 100644
--- a/backend/.env.org
+++ b/backend/.env.org
@@ -6,7 +6,7 @@ GRAPHIQL=false
 GDT_API_URL=https://gdt.gradido.net
 
 # Database
-DB_HOST=localhost
+DB_HOST=127.0.0.1
 DB_PORT=3306
 DB_USER=root
 DB_PASSWORD=
diff --git a/backend/.env.template b/backend/.env.template
index 2205417a3..ffdb4f542 100644
--- a/backend/.env.template
+++ b/backend/.env.template
@@ -8,7 +8,7 @@ GRAPHIQL=false
 GDT_API_URL=$GDT_API_URL
 
 # Database
-DB_HOST=localhost
+DB_HOST=127.0.0.1
 DB_PORT=3306
 DB_USER=$DB_USER
 DB_PASSWORD=$DB_PASSWORD
diff --git a/database/.env.dist b/database/.env.dist
index 0b2c342ca..658d4d08d 100644
--- a/database/.env.dist
+++ b/database/.env.dist
@@ -1,4 +1,4 @@
-DB_HOST=localhost
+DB_HOST=127.0.0.1
 DB_PORT=3306
 DB_USER=root
 DB_PASSWORD=
diff --git a/database/.env.template b/database/.env.template
index e21d4548c..b5aebba8f 100644
--- a/database/.env.template
+++ b/database/.env.template
@@ -1,6 +1,6 @@
 CONFIG_VERSION=$DATABASE_CONFIG_VERSION
 
-DB_HOST=localhost
+DB_HOST=127.0.0.1
 DB_PORT=3306
 DB_USER=$DB_USER
 DB_PASSWORD=$DB_PASSWORD
diff --git a/dht-node/.env.dist b/dht-node/.env.dist
index fa07fc904..351bc251d 100644
--- a/dht-node/.env.dist
+++ b/dht-node/.env.dist
@@ -1,5 +1,5 @@
 # Database
-DB_HOST=localhost
+DB_HOST=127.0.0.1
 DB_PORT=3306
 DB_USER=root
 DB_PASSWORD=
diff --git a/dht-node/.env.template b/dht-node/.env.template
index b4cef7f5e..ad5765f96 100644
--- a/dht-node/.env.template
+++ b/dht-node/.env.template
@@ -2,7 +2,7 @@
 CONFIG_VERSION=$FEDERATION_DHT_CONFIG_VERSION
 
 # Database
-DB_HOST=localhost
+DB_HOST=127.0.0.1
 DB_PORT=3306
 DB_USER=$DB_USER
 DB_PASSWORD=$DB_PASSWORD
diff --git a/docker-compose.yml b/docker-compose.yml
index 372877bf1..88fc3bbcf 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -67,7 +67,7 @@ services:
   ## MARIADB ##############################################
   #########################################################
   mariadb:
-    image: mariadb:10.5
+    image: mariadb:10.11.6
     environment:
       - MARIADB_ALLOW_EMPTY_ROOT_PASSWORD=1
       - MARIADB_USER=root
diff --git a/federation/.env.dist b/federation/.env.dist
index 42b3d05bf..2255436d5 100644
--- a/federation/.env.dist
+++ b/federation/.env.dist
@@ -1,5 +1,5 @@
 # Database
-DB_HOST=localhost
+DB_HOST=127.0.0.1
 DB_PORT=3306
 DB_DATABASE=gradido_community
 DB_USER=root
diff --git a/federation/.env.template b/federation/.env.template
index 9a029c3d1..a4ac298ef 100644
--- a/federation/.env.template
+++ b/federation/.env.template
@@ -6,7 +6,7 @@ LOG_LEVEL=$LOG_LEVEL
 GRAPHIQL=false
 
 # Database
-DB_HOST=localhost
+DB_HOST=127.0.0.1
 DB_PORT=3306
 DB_USER=$DB_USER
 DB_PASSWORD=$DB_PASSWORD