diff --git a/bitnami/mysql/5.7/debian-9/Dockerfile b/bitnami/mysql/5.7/debian-9/Dockerfile
index c19f65b1b575..e905141e7255 100644
--- a/bitnami/mysql/5.7/debian-9/Dockerfile
+++ b/bitnami/mysql/5.7/debian-9/Dockerfile
@@ -15,7 +15,7 @@ RUN mkdir /docker-entrypoint-initdb.d
 COPY rootfs /
 RUN /postunpack.sh
 ENV BITNAMI_APP_NAME="mysql" \
-    BITNAMI_IMAGE_VERSION="5.7.28-debian-9-r17" \
+    BITNAMI_IMAGE_VERSION="5.7.28-debian-9-r18" \
     NAMI_PREFIX="/.nami" \
     PATH="/opt/bitnami/mysql/bin:/opt/bitnami/mysql/sbin:$PATH"
 
diff --git a/bitnami/mysql/5.7/debian-9/rootfs/libmysql.sh b/bitnami/mysql/5.7/debian-9/rootfs/libmysql.sh
index 32337d60fbd4..b1208d599251 100644
--- a/bitnami/mysql/5.7/debian-9/rootfs/libmysql.sh
+++ b/bitnami/mysql/5.7/debian-9/rootfs/libmysql.sh
@@ -193,6 +193,7 @@ plugin_dir=$DB_BASEDIR/plugin
 port=$DB_PORT_NUMBER
 socket=$DB_TMPDIR/mysql.sock
 default-character-set=UTF8
+plugin_dir=$DB_BASEDIR/plugin
 
 [manager]
 port=$DB_PORT_NUMBER
diff --git a/bitnami/mysql/README.md b/bitnami/mysql/README.md
index 7c650a5a3850..6f60e3d41652 100644
--- a/bitnami/mysql/README.md
+++ b/bitnami/mysql/README.md
@@ -49,7 +49,7 @@ Learn more about the Bitnami tagging policy and the difference between rolling t
 * [`8.0-ol-7`, `8.0.18-ol-7-r24` (8.0/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-mysql/blob/8.0.18-ol-7-r24/8.0/ol-7/Dockerfile)
 * [`8.0-debian-9`, `8.0.18-debian-9-r14`, `8.0`, `8.0.18`, `8.0.18-r14`, `latest` (8.0/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-mysql/blob/8.0.18-debian-9-r14/8.0/debian-9/Dockerfile)
 * [`5.7-ol-7`, `5.7.28-ol-7-r24` (5.7/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-mysql/blob/5.7.28-ol-7-r24/5.7/ol-7/Dockerfile)
-* [`5.7-debian-9`, `5.7.28-debian-9-r17`, `5.7`, `5.7.28`, `5.7.28-r17` (5.7/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-mysql/blob/5.7.28-debian-9-r17/5.7/debian-9/Dockerfile)
+* [`5.7-debian-9`, `5.7.28-debian-9-r18`, `5.7`, `5.7.28`, `5.7.28-r18` (5.7/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-mysql/blob/5.7.28-debian-9-r18/5.7/debian-9/Dockerfile)
 
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