diff --git a/bitnami/osclass/3/debian-9/Dockerfile b/bitnami/osclass/3/debian-9/Dockerfile
index 6284f72d83ee..80fd8f1b167e 100644
--- a/bitnami/osclass/3/debian-9/Dockerfile
+++ b/bitnami/osclass/3/debian-9/Dockerfile
@@ -1,4 +1,4 @@
-FROM bitnami/minideb-extras:stretch-r383
+FROM bitnami/minideb-extras:stretch-r384
 LABEL maintainer "Bitnami <containers@bitnami.com>"
 
 # Install required system packages and dependencies
@@ -18,7 +18,7 @@ ENV ALLOW_EMPTY_PASSWORD="no" \
     APACHE_SET_HTTPS_PORT="no" \
     APACHE_SET_HTTP_PORT="no" \
     BITNAMI_APP_NAME="osclass" \
-    BITNAMI_IMAGE_VERSION="3.7.4-debian-9-r263" \
+    BITNAMI_IMAGE_VERSION="3.7.4-debian-9-r264" \
     MARIADB_HOST="mariadb" \
     MARIADB_PORT_NUMBER="3306" \
     MARIADB_ROOT_PASSWORD="" \
diff --git a/bitnami/osclass/README.md b/bitnami/osclass/README.md
index 9fe10e543cd6..57d5efc2e14f 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-r331` (3/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-osclass/blob/3.7.4-ol-7-r331/3/ol-7/Dockerfile)
-* [`3-debian-9`, `3.7.4-debian-9-r263`, `3`, `3.7.4`, `3.7.4-r263`, `latest` (3/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-osclass/blob/3.7.4-debian-9-r263/3/debian-9/Dockerfile)
+* [`3-debian-9`, `3.7.4-debian-9-r264`, `3`, `3.7.4`, `3.7.4-r264`, `latest` (3/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-osclass/blob/3.7.4-debian-9-r264/3/debian-9/Dockerfile)
 
 Subscribe to project updates by watching the [bitnami/osclass GitHub repo](https://github.com/bitnami/bitnami-docker-osclass).