diff --git a/bitnami/contour/1.33/debian-12/Dockerfile b/bitnami/contour/1.33/debian-12/Dockerfile
index 23fb7355d367..bcfa31ffe69b 100644
--- a/bitnami/contour/1.33/debian-12/Dockerfile
+++ b/bitnami/contour/1.33/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="2026-08-21T16:37:59Z" \
+      org.opencontainers.image.created="2026-09-01T23:02:30Z" \
       org.opencontainers.image.description="Application packaged by Broadcom, Inc." \
       org.opencontainers.image.documentation="https://github.com/bitnami/containers/tree/main/bitnami/contour/README.md" \
       org.opencontainers.image.source="https://github.com/bitnami/containers/tree/main/bitnami/contour" \
@@ -28,7 +28,7 @@ RUN --mount=type=secret,id=downloads_url,env=SECRET_DOWNLOADS_URL \
     DOWNLOADS_URL=${SECRET_DOWNLOADS_URL:-${DOWNLOADS_URL}} ; \
     mkdir -p /tmp/bitnami/pkg/cache/ ; cd /tmp/bitnami/pkg/cache/ || exit 1 ; \
     COMPONENTS=( \
-      "contour-1.33.6-3-linux-${OS_ARCH}-debian-12" \
+      "contour-1.33.6-4-linux-${OS_ARCH}-debian-12" \
     ) ; \
     for COMPONENT in "${COMPONENTS[@]}"; do \
       if [ ! -f "${COMPONENT}.tar.gz" ]; then \
@@ -48,7 +48,7 @@ RUN uninstall_packages curl
 
 ENV APP_VERSION="1.33.6" \
     BITNAMI_APP_NAME="contour" \
-    IMAGE_REVISION="3" \
+    IMAGE_REVISION="4" \
     PATH="/opt/bitnami/contour/bin:$PATH"
 
 USER 1001
diff --git a/bitnami/contour/1.33/debian-12/prebuildfs/opt/bitnami/checksums/contour-1.33.6-3-linux-amd64-debian-12.tar.gz.sha256 b/bitnami/contour/1.33/debian-12/prebuildfs/opt/bitnami/checksums/contour-1.33.6-3-linux-amd64-debian-12.tar.gz.sha256
deleted file mode 100644
index 57ae7a54a31b..000000000000
--- a/bitnami/contour/1.33/debian-12/prebuildfs/opt/bitnami/checksums/contour-1.33.6-3-linux-amd64-debian-12.tar.gz.sha256
+++ /dev/null
@@ -1 +0,0 @@
-d97133579192cace848636692e97a6ef592d40586c0e2b01a236d8b6bb591b97  contour-1.33.6-3-linux-amd64-debian-12.tar.gz
diff --git a/bitnami/contour/1.33/debian-12/prebuildfs/opt/bitnami/checksums/contour-1.33.6-3-linux-arm64-debian-12.tar.gz.sha256 b/bitnami/contour/1.33/debian-12/prebuildfs/opt/bitnami/checksums/contour-1.33.6-3-linux-arm64-debian-12.tar.gz.sha256
deleted file mode 100644
index 2581f31c7366..000000000000
--- a/bitnami/contour/1.33/debian-12/prebuildfs/opt/bitnami/checksums/contour-1.33.6-3-linux-arm64-debian-12.tar.gz.sha256
+++ /dev/null
@@ -1 +0,0 @@
-39e644d21e08863b136993972353055145b456faebb4ad00be00df1d015cd039  contour-1.33.6-3-linux-arm64-debian-12.tar.gz
diff --git a/bitnami/contour/1.33/debian-12/prebuildfs/opt/bitnami/checksums/contour-1.33.6-4-linux-amd64-debian-12.tar.gz.sha256 b/bitnami/contour/1.33/debian-12/prebuildfs/opt/bitnami/checksums/contour-1.33.6-4-linux-amd64-debian-12.tar.gz.sha256
new file mode 100644
index 000000000000..4b5dfabee9ad
--- /dev/null
+++ b/bitnami/contour/1.33/debian-12/prebuildfs/opt/bitnami/checksums/contour-1.33.6-4-linux-amd64-debian-12.tar.gz.sha256
@@ -0,0 +1 @@
+49a5941e0ddce0bf09c84aa5b3928dfdfa8ee5b50f434e3fa6f638f9b3cb08ed  contour-1.33.6-4-linux-amd64-debian-12.tar.gz
diff --git a/bitnami/contour/1.33/debian-12/prebuildfs/opt/bitnami/checksums/contour-1.33.6-4-linux-arm64-debian-12.tar.gz.sha256 b/bitnami/contour/1.33/debian-12/prebuildfs/opt/bitnami/checksums/contour-1.33.6-4-linux-arm64-debian-12.tar.gz.sha256
new file mode 100644
index 000000000000..e22c3e1f8df4
--- /dev/null
+++ b/bitnami/contour/1.33/debian-12/prebuildfs/opt/bitnami/checksums/contour-1.33.6-4-linux-arm64-debian-12.tar.gz.sha256
@@ -0,0 +1 @@
+a86a2bf4998c936e315f9fe3b215780a8c19d60ae9ea5ae5174f32c0e6a0a32d  contour-1.33.6-4-linux-arm64-debian-12.tar.gz