diff --git a/bitnami/cosign/3/debian-12/Dockerfile b/bitnami/cosign/3/debian-12/Dockerfile
index 857a0237e5c3..50ca54539662 100644
--- a/bitnami/cosign/3/debian-12/Dockerfile
+++ b/bitnami/cosign/3/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="2026-08-06T01:24:45Z" \
+      org.opencontainers.image.created="2026-08-14T05:21:11Z" \
       org.opencontainers.image.description="Application packaged by Broadcom, Inc." \
       org.opencontainers.image.documentation="https://github.com/bitnami/containers/tree/main/bitnami/cosign/README.md" \
       org.opencontainers.image.source="https://github.com/bitnami/containers/tree/main/bitnami/cosign" \
@@ -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=( \
-      "cosign-3.1.3-0-linux-${OS_ARCH}-debian-12" \
+      "cosign-3.1.3-1-linux-${OS_ARCH}-debian-12" \
     ) ; \
     for COMPONENT in "${COMPONENTS[@]}"; do \
       if [ ! -f "${COMPONENT}.tar.gz" ]; then \
@@ -50,7 +50,7 @@ RUN uninstall_packages curl
 
 ENV APP_VERSION="3.1.3" \
     BITNAMI_APP_NAME="cosign" \
-    IMAGE_REVISION="0" \
+    IMAGE_REVISION="1" \
     PATH="/opt/bitnami/cosign/bin:$PATH"
 
 WORKDIR /cosign-keys
diff --git a/bitnami/cosign/3/debian-12/prebuildfs/opt/bitnami/checksums/cosign-3.1.3-0-linux-amd64-debian-12.tar.gz.sha256 b/bitnami/cosign/3/debian-12/prebuildfs/opt/bitnami/checksums/cosign-3.1.3-0-linux-amd64-debian-12.tar.gz.sha256
deleted file mode 100644
index 49f01ebebe7a..000000000000
--- a/bitnami/cosign/3/debian-12/prebuildfs/opt/bitnami/checksums/cosign-3.1.3-0-linux-amd64-debian-12.tar.gz.sha256
+++ /dev/null
@@ -1 +0,0 @@
-49b61d9272f7a75be574d2c982d185ae28440ddcc937905a2832bff5e73bdbd9  cosign-3.1.3-0-linux-amd64-debian-12.tar.gz
diff --git a/bitnami/cosign/3/debian-12/prebuildfs/opt/bitnami/checksums/cosign-3.1.3-0-linux-arm64-debian-12.tar.gz.sha256 b/bitnami/cosign/3/debian-12/prebuildfs/opt/bitnami/checksums/cosign-3.1.3-0-linux-arm64-debian-12.tar.gz.sha256
deleted file mode 100644
index 5c55338e7916..000000000000
--- a/bitnami/cosign/3/debian-12/prebuildfs/opt/bitnami/checksums/cosign-3.1.3-0-linux-arm64-debian-12.tar.gz.sha256
+++ /dev/null
@@ -1 +0,0 @@
-d1be473da06b17e7a287d0f71001acb6eea75fdf9916c7898718497ec7ec5dd4  cosign-3.1.3-0-linux-arm64-debian-12.tar.gz
diff --git a/bitnami/cosign/3/debian-12/prebuildfs/opt/bitnami/checksums/cosign-3.1.3-1-linux-amd64-debian-12.tar.gz.sha256 b/bitnami/cosign/3/debian-12/prebuildfs/opt/bitnami/checksums/cosign-3.1.3-1-linux-amd64-debian-12.tar.gz.sha256
new file mode 100644
index 000000000000..4bf4930af074
--- /dev/null
+++ b/bitnami/cosign/3/debian-12/prebuildfs/opt/bitnami/checksums/cosign-3.1.3-1-linux-amd64-debian-12.tar.gz.sha256
@@ -0,0 +1 @@
+7c8e975b5deb9aa0d5a5d92df9a4e0b62e27606c32a697613fd11f86fa45694c  cosign-3.1.3-1-linux-amd64-debian-12.tar.gz
diff --git a/bitnami/cosign/3/debian-12/prebuildfs/opt/bitnami/checksums/cosign-3.1.3-1-linux-arm64-debian-12.tar.gz.sha256 b/bitnami/cosign/3/debian-12/prebuildfs/opt/bitnami/checksums/cosign-3.1.3-1-linux-arm64-debian-12.tar.gz.sha256
new file mode 100644
index 000000000000..3d3bd781a21d
--- /dev/null
+++ b/bitnami/cosign/3/debian-12/prebuildfs/opt/bitnami/checksums/cosign-3.1.3-1-linux-arm64-debian-12.tar.gz.sha256
@@ -0,0 +1 @@
+667870f0f40ecfce693841283f3e295c3ae927f7526ca820633606ebdda5dbbb  cosign-3.1.3-1-linux-arm64-debian-12.tar.gz