diff --git a/examples/compose/docker-compose.yml b/examples/compose/docker-compose.yml
index cc15376..5789dd5 100644
--- a/examples/compose/docker-compose.yml
+++ b/examples/compose/docker-compose.yml
@@ -2,14 +2,14 @@ version: "3.5"
 
 services:
   db:
-    image: mariadb:10.4
+    image: mariadb:10.5
     container_name: librenms_db
     command:
       - "mysqld"
       - "--innodb-file-per-table=1"
       - "--lower-case-table-names=0"
-      - "--character-set-server=utf8"
-      - "--collation-server=utf8_unicode_ci"
+      - "--character-set-server=utf8mb4"
+      - "--collation-server=utf8mb4_unicode_ci"
     volumes:
       - "./db:/var/lib/mysql"
     environment:
diff --git a/examples/pwd/librenms.yml b/examples/pwd/librenms.yml
index 8d0e0ca..bf1f607 100644
--- a/examples/pwd/librenms.yml
+++ b/examples/pwd/librenms.yml
@@ -23,13 +23,13 @@ x-envlibrenms: &envlibrenms
 
 services:
   db:
-    image: mariadb:10.4
+    image: mariadb:10.5
     command:
       - "mysqld"
       - "--innodb-file-per-table=1"
       - "--lower-case-table-names=0"
-      - "--character-set-server=utf8"
-      - "--collation-server=utf8_unicode_ci"
+      - "--character-set-server=utf8mb4"
+      - "--collation-server=utf8mb4_unicode_ci"
     volumes:
       - "db:/var/lib/mysql"
     environment:
diff --git a/examples/rrdcached-server/docker-compose.yml b/examples/rrdcached-server/docker-compose.yml
index b1a0a05..cc52f48 100644
--- a/examples/rrdcached-server/docker-compose.yml
+++ b/examples/rrdcached-server/docker-compose.yml
@@ -2,14 +2,14 @@ version: "3.5"
 
 services:
   db:
-    image: mariadb:10.4
+    image: mariadb:10.5
     container_name: librenms_db
     command:
       - "mysqld"
       - "--innodb-file-per-table=1"
       - "--lower-case-table-names=0"
-      - "--character-set-server=utf8"
-      - "--collation-server=utf8_unicode_ci"
+      - "--character-set-server=utf8mb4"
+      - "--collation-server=utf8mb4_unicode_ci"
     volumes:
       - "./db:/var/lib/mysql"
     environment:
diff --git a/examples/traefik/docker-compose.yml b/examples/traefik/docker-compose.yml
index 2636a91..d2c86c5 100644
--- a/examples/traefik/docker-compose.yml
+++ b/examples/traefik/docker-compose.yml
@@ -36,14 +36,14 @@ services:
     restart: always
 
   db:
-    image: mariadb:10.4
+    image: mariadb:10.5
     container_name: librenms_db
     command:
       - "mysqld"
       - "--innodb-file-per-table=1"
       - "--lower-case-table-names=0"
-      - "--character-set-server=utf8"
-      - "--collation-server=utf8_unicode_ci"
+      - "--character-set-server=utf8mb4"
+      - "--collation-server=utf8mb4_unicode_ci"
     volumes:
       - "./db:/var/lib/mysql"
     environment: