diff --git a/mysql/my.cnf b/mysql/my.cnf
index e03ccf88..399eaac2 100644
--- a/mysql/my.cnf
+++ b/mysql/my.cnf
@@ -7,4 +7,4 @@
 
 [mysqld]
 sql-mode="STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION"
-character-set-server=utf8
+character-set-server=utf8mb4