diff --git a/bitnami/postgresql-repmgr/18/debian-12/Dockerfile b/bitnami/postgresql-repmgr/18/debian-12/Dockerfile
index d130520c7b5d..cd8ec158ab89 100644
--- a/bitnami/postgresql-repmgr/18/debian-12/Dockerfile
+++ b/bitnami/postgresql-repmgr/18/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="2026-07-23T15:57:04Z" \
+      org.opencontainers.image.created="2026-07-23T16:39:46Z" \
       org.opencontainers.image.description="Application packaged by Broadcom, Inc." \
       org.opencontainers.image.documentation="https://github.com/bitnami/containers/tree/main/bitnami/postgresql-repmgr/README.md" \
       org.opencontainers.image.source="https://github.com/bitnami/containers/tree/main/bitnami/postgresql-repmgr" \
@@ -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=( \
       "nss-wrapper-1.1.16-0-linux-${OS_ARCH}-debian-12" \
-      "postgresql-repmgr-18.4.0-11-linux-${OS_ARCH}-debian-12" \
+      "postgresql-repmgr-18.4.0-12-linux-${OS_ARCH}-debian-12" \
     ) ; \
     for COMPONENT in "${COMPONENTS[@]}"; do \
       if [ ! -f "${COMPONENT}.tar.gz" ]; then \
@@ -55,7 +55,7 @@ COPY rootfs /
 RUN /opt/bitnami/scripts/postgresql-repmgr/postunpack.sh
 ENV APP_VERSION="18.4.0" \
     BITNAMI_APP_NAME="postgresql-repmgr" \
-    IMAGE_REVISION="17" \
+    IMAGE_REVISION="18" \
     LANG="en_US.UTF-8" \
     LANGUAGE="en_US:en" \
     NSS_WRAPPER_LIB="/opt/bitnami/common/lib/libnss_wrapper.so" \
diff --git a/bitnami/postgresql-repmgr/18/debian-12/prebuildfs/opt/bitnami/checksums/postgresql-repmgr-18.4.0-11-linux-amd64-debian-12.tar.gz.sha256 b/bitnami/postgresql-repmgr/18/debian-12/prebuildfs/opt/bitnami/checksums/postgresql-repmgr-18.4.0-11-linux-amd64-debian-12.tar.gz.sha256
deleted file mode 100644
index b63dac3788ca..000000000000
--- a/bitnami/postgresql-repmgr/18/debian-12/prebuildfs/opt/bitnami/checksums/postgresql-repmgr-18.4.0-11-linux-amd64-debian-12.tar.gz.sha256
+++ /dev/null
@@ -1 +0,0 @@
-dafc87ce6f00f99d15f3f2412f5b03962b7ef08a9fbce04030bb51b09a540857  postgresql-repmgr-18.4.0-11-linux-amd64-debian-12.tar.gz
diff --git a/bitnami/postgresql-repmgr/18/debian-12/prebuildfs/opt/bitnami/checksums/postgresql-repmgr-18.4.0-11-linux-arm64-debian-12.tar.gz.sha256 b/bitnami/postgresql-repmgr/18/debian-12/prebuildfs/opt/bitnami/checksums/postgresql-repmgr-18.4.0-11-linux-arm64-debian-12.tar.gz.sha256
deleted file mode 100644
index 3c217bf892bf..000000000000
--- a/bitnami/postgresql-repmgr/18/debian-12/prebuildfs/opt/bitnami/checksums/postgresql-repmgr-18.4.0-11-linux-arm64-debian-12.tar.gz.sha256
+++ /dev/null
@@ -1 +0,0 @@
-c2b83a59339ce7b2b56d26761e154004b1c74b26935913b1700b1c563025aee5  postgresql-repmgr-18.4.0-11-linux-arm64-debian-12.tar.gz
diff --git a/bitnami/postgresql-repmgr/18/debian-12/prebuildfs/opt/bitnami/checksums/postgresql-repmgr-18.4.0-12-linux-amd64-debian-12.tar.gz.sha256 b/bitnami/postgresql-repmgr/18/debian-12/prebuildfs/opt/bitnami/checksums/postgresql-repmgr-18.4.0-12-linux-amd64-debian-12.tar.gz.sha256
new file mode 100644
index 000000000000..d51c36efab63
--- /dev/null
+++ b/bitnami/postgresql-repmgr/18/debian-12/prebuildfs/opt/bitnami/checksums/postgresql-repmgr-18.4.0-12-linux-amd64-debian-12.tar.gz.sha256
@@ -0,0 +1 @@
+42dd7434d322ca7aebf61422474c5f9f526bb7faa3ecaee3661bebc404ac488b  postgresql-repmgr-18.4.0-12-linux-amd64-debian-12.tar.gz
diff --git a/bitnami/postgresql-repmgr/18/debian-12/prebuildfs/opt/bitnami/checksums/postgresql-repmgr-18.4.0-12-linux-arm64-debian-12.tar.gz.sha256 b/bitnami/postgresql-repmgr/18/debian-12/prebuildfs/opt/bitnami/checksums/postgresql-repmgr-18.4.0-12-linux-arm64-debian-12.tar.gz.sha256
new file mode 100644
index 000000000000..4851ace4544e
--- /dev/null
+++ b/bitnami/postgresql-repmgr/18/debian-12/prebuildfs/opt/bitnami/checksums/postgresql-repmgr-18.4.0-12-linux-arm64-debian-12.tar.gz.sha256
@@ -0,0 +1 @@
+99eb5a0752834bdd47a1af6207818c08c3c3668eb0094fed1d37d12829e9864c  postgresql-repmgr-18.4.0-12-linux-arm64-debian-12.tar.gz