diff --git a/bitnami/alertmanager/0/ol-7/Dockerfile b/bitnami/alertmanager/0/ol-7/Dockerfile
index 37e0888dd7ac..7662187ab0e5 100644
--- a/bitnami/alertmanager/0/ol-7/Dockerfile
+++ b/bitnami/alertmanager/0/ol-7/Dockerfile
@@ -1,4 +1,4 @@
-FROM bitnami/oraclelinux-extras:7-r271
+FROM bitnami/oraclelinux-extras:7-r272
 LABEL maintainer "Bitnami <containers@bitnami.com>"
 
 # Install required system packages and dependencies
@@ -10,7 +10,7 @@ RUN wget -nc -P /tmp/bitnami/pkg/cache/ https://downloads.bitnami.com/files/stac
 
 RUN mkdir -p /opt/bitnami/alertmanager/data/ && chmod g+rwX /opt/bitnami/alertmanager/data/
 ENV BITNAMI_APP_NAME="alertmanager" \
-    BITNAMI_IMAGE_VERSION="0.16.1-ol-7-r20" \
+    BITNAMI_IMAGE_VERSION="0.16.1-ol-7-r21" \
     PATH="/opt/bitnami/alertmanager/bin:$PATH"
 
 EXPOSE 9093
diff --git a/bitnami/alertmanager/README.md b/bitnami/alertmanager/README.md
index a811a79d0f5c..4ef670d0bfe8 100644
--- a/bitnami/alertmanager/README.md
+++ b/bitnami/alertmanager/README.md
@@ -46,7 +46,7 @@ Learn more about the Bitnami tagging policy and the difference between rolling t
 
 
 * [`0-rhel-7`, `0.16.1-rhel-7-r22` (0/rhel-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-alertmanager/blob/0.16.1-rhel-7-r22/0/rhel-7/Dockerfile)
-* [`0-ol-7`, `0.16.1-ol-7-r20` (0/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-alertmanager/blob/0.16.1-ol-7-r20/0/ol-7/Dockerfile)
+* [`0-ol-7`, `0.16.1-ol-7-r21` (0/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-alertmanager/blob/0.16.1-ol-7-r21/0/ol-7/Dockerfile)
 * [`0-debian-9`, `0.16.1-debian-9-r18`, `0`, `0.16.1`, `0.16.1-r18`, `latest` (0/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-alertmanager/blob/0.16.1-debian-9-r18/0/debian-9/Dockerfile)
 
 Subscribe to project updates by watching the [bitnami/alertmanager GitHub repo](https://github.com/bitnami/bitnami-docker-alertmanager).