diff --git a/bitnami/alertmanager/0/debian-10/Dockerfile b/bitnami/alertmanager/0/debian-10/Dockerfile
index 4f33eee2b859..cb01040753e8 100644
--- a/bitnami/alertmanager/0/debian-10/Dockerfile
+++ b/bitnami/alertmanager/0/debian-10/Dockerfile
@@ -16,7 +16,7 @@ RUN chmod g+rwX /opt/bitnami
 
 RUN mkdir -p /opt/bitnami/alertmanager/data/ && chmod g+rwX /opt/bitnami/alertmanager/data/
 ENV BITNAMI_APP_NAME="alertmanager" \
-    BITNAMI_IMAGE_VERSION="0.21.0-debian-10-r25" \
+    BITNAMI_IMAGE_VERSION="0.21.0-debian-10-r26" \
     HOME="/" \
     OS_ARCH="amd64" \
     OS_FLAVOUR="debian-10" \
diff --git a/bitnami/alertmanager/README.md b/bitnami/alertmanager/README.md
index 2a5e5327fd17..1ffe14d46e45 100644
--- a/bitnami/alertmanager/README.md
+++ b/bitnami/alertmanager/README.md
@@ -32,7 +32,7 @@ Non-root container images add an extra layer of security and are generally recom
 Learn more about the Bitnami tagging policy and the difference between rolling tags and immutable tags [in our documentation page](https://docs.bitnami.com/tutorials/understand-rolling-tags-containers/).
 
 
-* [`0-debian-10`, `0.21.0-debian-10-r25`, `0`, `0.21.0`, `latest` (0/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-alertmanager/blob/0.21.0-debian-10-r25/0/debian-10/Dockerfile)
+* [`0-debian-10`, `0.21.0-debian-10-r26`, `0`, `0.21.0`, `latest` (0/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-alertmanager/blob/0.21.0-debian-10-r26/0/debian-10/Dockerfile)
 
 Subscribe to project updates by watching the [bitnami/alertmanager GitHub repo](https://github.com/bitnami/bitnami-docker-alertmanager).