diff --git a/bitnami/phpbb/3/debian-9/Dockerfile b/bitnami/phpbb/3/debian-9/Dockerfile
index 23ad78140c52..5e1fa9ad335f 100644
--- a/bitnami/phpbb/3/debian-9/Dockerfile
+++ b/bitnami/phpbb/3/debian-9/Dockerfile
@@ -1,4 +1,4 @@
-FROM bitnami/minideb-extras:stretch-r103
+FROM bitnami/minideb-extras:stretch-r104
 LABEL maintainer "Bitnami <containers@bitnami.com>"
 
 # Install required system packages and dependencies
@@ -14,7 +14,7 @@ ENV ALLOW_EMPTY_PASSWORD="no" \
     APACHE_HTTPS_PORT_NUMBER="443" \
     APACHE_HTTP_PORT_NUMBER="80" \
     BITNAMI_APP_NAME="phpbb" \
-    BITNAMI_IMAGE_VERSION="3.2.2-debian-9-r20" \
+    BITNAMI_IMAGE_VERSION="3.2.2-debian-9-r21" \
     MARIADB_HOST="mariadb" \
     MARIADB_PORT_NUMBER="3306" \
     MARIADB_ROOT_PASSWORD="" \
diff --git a/bitnami/phpbb/README.md b/bitnami/phpbb/README.md
index 90ca83772f65..e8fa2e03f431 100644
--- a/bitnami/phpbb/README.md
+++ b/bitnami/phpbb/README.md
@@ -31,7 +31,7 @@ Learn more about the Bitnami tagging policy and the difference between rolling t
 
 
 * [`3-ol-7`, `3.2.2-ol-7-r24` (3/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-phpbb/blob/3.2.2-ol-7-r24/3/ol-7/Dockerfile)
-* [`3-debian-9`, `3.2.2-debian-9-r20`, `3`, `3.2.2`, `3.2.2-r20`, `latest` (3/Dockerfile)](https://github.com/bitnami/bitnami-docker-phpbb/blob/3.2.2-debian-9-r20/3/Dockerfile)
+* [`3-debian-9`, `3.2.2-debian-9-r21`, `3`, `3.2.2`, `3.2.2-r21`, `latest` (3/Dockerfile)](https://github.com/bitnami/bitnami-docker-phpbb/blob/3.2.2-debian-9-r21/3/Dockerfile)
 
 Subscribe to project updates by watching the [bitnami/phpbb GitHub repo](https://github.com/bitnami/bitnami-docker-phpbb).