diff --git a/bitnami/harbor-portal/2/debian-12/Dockerfile b/bitnami/harbor-portal/2/debian-12/Dockerfile
index b7a1c92bb6e0..1d5ff50db03f 100644
--- a/bitnami/harbor-portal/2/debian-12/Dockerfile
+++ b/bitnami/harbor-portal/2/debian-12/Dockerfile
@@ -7,7 +7,7 @@ ARG DOWNLOADS_URL="https://downloads.bitnami.com/files/stacksmith"
 ARG TARGETARCH
 
 LABEL org.opencontainers.image.base.name="docker.io/bitnami/minideb:bookworm" \
-      org.opencontainers.image.created="2026-09-10T09:51:55Z" \
+      org.opencontainers.image.created="2026-09-26T04:16:01Z" \
       org.opencontainers.image.description="Application packaged by Broadcom, Inc." \
       org.opencontainers.image.documentation="https://github.com/bitnami/containers/tree/main/bitnami/harbor-portal/README.md" \
       org.opencontainers.image.source="https://github.com/bitnami/containers/tree/main/bitnami/harbor-portal" \
@@ -29,7 +29,7 @@ RUN --mount=type=secret,id=downloads_url,env=SECRET_DOWNLOADS_URL \
     mkdir -p /tmp/bitnami/pkg/cache/ ; cd /tmp/bitnami/pkg/cache/ || exit 1 ; \
     COMPONENTS=( \
       "render-template-1.0.10-4-linux-${OS_ARCH}-debian-12" \
-      "nginx-1.31.5-2-linux-${OS_ARCH}-debian-12" \
+      "nginx-1.31.6-2-linux-${OS_ARCH}-debian-12" \
       "harbor-2.15.2-1-linux-${OS_ARCH}-debian-12" \
     ) ; \
     for COMPONENT in "${COMPONENTS[@]}"; do \
@@ -54,7 +54,7 @@ RUN /opt/bitnami/scripts/nginx/postunpack.sh
 RUN /opt/bitnami/scripts/harbor-portal/postunpack.sh
 ENV APP_VERSION="2.15.2" \
     BITNAMI_APP_NAME="harbor-portal" \
-    IMAGE_REVISION="6" \
+    IMAGE_REVISION="7" \
     NGINX_HTTPS_PORT_NUMBER="" \
     NGINX_HTTP_PORT_NUMBER="" \
     PATH="/opt/bitnami/common/bin:/opt/bitnami/nginx/sbin:$PATH"
diff --git a/bitnami/harbor-portal/2/debian-12/prebuildfs/opt/bitnami/checksums/nginx-1.31.5-2-linux-amd64-debian-12.tar.gz.sha256 b/bitnami/harbor-portal/2/debian-12/prebuildfs/opt/bitnami/checksums/nginx-1.31.5-2-linux-amd64-debian-12.tar.gz.sha256
deleted file mode 100644
index 07f23a160e16..000000000000
--- a/bitnami/harbor-portal/2/debian-12/prebuildfs/opt/bitnami/checksums/nginx-1.31.5-2-linux-amd64-debian-12.tar.gz.sha256
+++ /dev/null
@@ -1 +0,0 @@
-a1bd569466f071e81215eff6f85016927d27c4521d16cd11e94c0fc124b143c0  nginx-1.31.5-2-linux-amd64-debian-12.tar.gz
diff --git a/bitnami/harbor-portal/2/debian-12/prebuildfs/opt/bitnami/checksums/nginx-1.31.5-2-linux-arm64-debian-12.tar.gz.sha256 b/bitnami/harbor-portal/2/debian-12/prebuildfs/opt/bitnami/checksums/nginx-1.31.5-2-linux-arm64-debian-12.tar.gz.sha256
deleted file mode 100644
index 42f40bc3b772..000000000000
--- a/bitnami/harbor-portal/2/debian-12/prebuildfs/opt/bitnami/checksums/nginx-1.31.5-2-linux-arm64-debian-12.tar.gz.sha256
+++ /dev/null
@@ -1 +0,0 @@
-96abb72cda2842d99362b9435daf4c2ef30338b426c608f51cff6ea415c681d8  nginx-1.31.5-2-linux-arm64-debian-12.tar.gz
diff --git a/bitnami/harbor-portal/2/debian-12/prebuildfs/opt/bitnami/checksums/nginx-1.31.6-2-linux-amd64-debian-12.tar.gz.sha256 b/bitnami/harbor-portal/2/debian-12/prebuildfs/opt/bitnami/checksums/nginx-1.31.6-2-linux-amd64-debian-12.tar.gz.sha256
new file mode 100644
index 000000000000..2d7f1a3bbffb
--- /dev/null
+++ b/bitnami/harbor-portal/2/debian-12/prebuildfs/opt/bitnami/checksums/nginx-1.31.6-2-linux-amd64-debian-12.tar.gz.sha256
@@ -0,0 +1 @@
+23a263e1e2cca033450c508b8a3ae57f22b7e685dc5d38266139bfbfdbb29a4b  nginx-1.31.6-2-linux-amd64-debian-12.tar.gz
diff --git a/bitnami/harbor-portal/2/debian-12/prebuildfs/opt/bitnami/checksums/nginx-1.31.6-2-linux-arm64-debian-12.tar.gz.sha256 b/bitnami/harbor-portal/2/debian-12/prebuildfs/opt/bitnami/checksums/nginx-1.31.6-2-linux-arm64-debian-12.tar.gz.sha256
new file mode 100644
index 000000000000..4f6b4758df33
--- /dev/null
+++ b/bitnami/harbor-portal/2/debian-12/prebuildfs/opt/bitnami/checksums/nginx-1.31.6-2-linux-arm64-debian-12.tar.gz.sha256
@@ -0,0 +1 @@
+e6e10d23c6810390508dc56d8a9b1f61696750856054e2349eb01cf58a2eb186  nginx-1.31.6-2-linux-arm64-debian-12.tar.gz