diff --git a/5.5/docker-entrypoint.sh b/5.5/docker-entrypoint.sh
index cd1855f3f..647619cfd 100755
--- a/5.5/docker-entrypoint.sh
+++ b/5.5/docker-entrypoint.sh
@@ -158,6 +158,7 @@ if [ "$1" = 'mysqld' -a -z "$wantHelp" ]; then
 			DELETE FROM mysql.user WHERE user NOT IN ('mysql.sys', 'mysqlxsys', 'root') OR host NOT IN ('localhost') ;
 			SET PASSWORD FOR 'root'@'localhost'=PASSWORD('${MYSQL_ROOT_PASSWORD}') ;
 			GRANT ALL ON *.* TO 'root'@'localhost' WITH GRANT OPTION ;
+			FLUSH PRIVILEGES ;
 			${rootCreate}
 			DROP DATABASE IF EXISTS test ;
 			FLUSH PRIVILEGES ;
diff --git a/5.6/docker-entrypoint.sh b/5.6/docker-entrypoint.sh
index 7dbd6975a..46ebdbc00 100755
--- a/5.6/docker-entrypoint.sh
+++ b/5.6/docker-entrypoint.sh
@@ -158,6 +158,7 @@ if [ "$1" = 'mysqld' -a -z "$wantHelp" ]; then
 			DELETE FROM mysql.user WHERE user NOT IN ('mysql.sys', 'mysqlxsys', 'root') OR host NOT IN ('localhost') ;
 			SET PASSWORD FOR 'root'@'localhost'=PASSWORD('${MYSQL_ROOT_PASSWORD}') ;
 			GRANT ALL ON *.* TO 'root'@'localhost' WITH GRANT OPTION ;
+			FLUSH PRIVILEGES ;
 			${rootCreate}
 			DROP DATABASE IF EXISTS test ;
 			FLUSH PRIVILEGES ;
diff --git a/5.7/docker-entrypoint.sh b/5.7/docker-entrypoint.sh
index b38c11287..fe7a8cf9a 100755
--- a/5.7/docker-entrypoint.sh
+++ b/5.7/docker-entrypoint.sh
@@ -163,6 +163,7 @@ if [ "$1" = 'mysqld' -a -z "$wantHelp" ]; then
 
 			SET PASSWORD FOR 'root'@'localhost'=PASSWORD('${MYSQL_ROOT_PASSWORD}') ;
 			GRANT ALL ON *.* TO 'root'@'localhost' WITH GRANT OPTION ;
+			FLUSH PRIVILEGES ;
 			${rootCreate}
 			DROP DATABASE IF EXISTS test ;
 			FLUSH PRIVILEGES ;
diff --git a/8.0/docker-entrypoint.sh b/8.0/docker-entrypoint.sh
index 720ef6d65..17248882d 100755
--- a/8.0/docker-entrypoint.sh
+++ b/8.0/docker-entrypoint.sh
@@ -165,6 +165,7 @@ if [ "$1" = 'mysqld' -a -z "$wantHelp" ]; then
 
 			ALTER USER 'root'@'localhost' IDENTIFIED BY '${MYSQL_ROOT_PASSWORD}' ;
 			GRANT ALL ON *.* TO 'root'@'localhost' WITH GRANT OPTION ;
+			FLUSH PRIVILEGES ;
 			${rootCreate}
 			DROP DATABASE IF EXISTS test ;
 			FLUSH PRIVILEGES ;