diff --git a/bitnami/osclass/3/debian-9/Dockerfile b/bitnami/osclass/3/debian-9/Dockerfile
index 1ab952fba6d6..c4727aa35941 100644
--- a/bitnami/osclass/3/debian-9/Dockerfile
+++ b/bitnami/osclass/3/debian-9/Dockerfile
@@ -21,7 +21,7 @@ RUN /build/install-tini.sh
 COPY rootfs /
 ENV ALLOW_EMPTY_PASSWORD="no" \
     BITNAMI_APP_NAME="osclass" \
-    BITNAMI_IMAGE_VERSION="3.7.4-debian-9-r446" \
+    BITNAMI_IMAGE_VERSION="3.7.4-debian-9-r447" \
     MARIADB_HOST="mariadb" \
     MARIADB_PORT_NUMBER="3306" \
     MARIADB_ROOT_PASSWORD="" \
diff --git a/bitnami/osclass/README.md b/bitnami/osclass/README.md
index 18e0c8c10758..cf7d91cdc53b 100644
--- a/bitnami/osclass/README.md
+++ b/bitnami/osclass/README.md
@@ -39,7 +39,7 @@ Learn more about the Bitnami tagging policy and the difference between rolling t
 
 
 * [`3-ol-7`, `3.7.4-ol-7-r557` (3/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-osclass/blob/3.7.4-ol-7-r557/3/ol-7/Dockerfile)
-* [`3-debian-9`, `3.7.4-debian-9-r446`, `3`, `3.7.4`, `3.7.4-r446`, `latest` (3/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-osclass/blob/3.7.4-debian-9-r446/3/debian-9/Dockerfile)
+* [`3-debian-9`, `3.7.4-debian-9-r447`, `3`, `3.7.4`, `3.7.4-r447`, `latest` (3/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-osclass/blob/3.7.4-debian-9-r447/3/debian-9/Dockerfile)
 
 Subscribe to project updates by watching the [bitnami/osclass GitHub repo](https://github.com/bitnami/bitnami-docker-osclass).