diff --git a/bitnami/postgresql-repmgr/15/debian-11/Dockerfile b/bitnami/postgresql-repmgr/15/debian-11/Dockerfile
index edb8da1921a4..ead2accf542f 100644
--- a/bitnami/postgresql-repmgr/15/debian-11/Dockerfile
+++ b/bitnami/postgresql-repmgr/15/debian-11/Dockerfile
@@ -3,13 +3,13 @@ FROM docker.io/bitnami/minideb:bullseye
 ARG TARGETARCH
 
 LABEL org.opencontainers.image.base.name="docker.io/bitnami/minideb:bullseye" \
-      org.opencontainers.image.created="2023-05-09T08:25:36Z" \
+      org.opencontainers.image.created="2023-05-12T12:01:40Z" \
       org.opencontainers.image.description="Application packaged by VMware, Inc" \
       org.opencontainers.image.licenses="Apache-2.0" \
-      org.opencontainers.image.ref.name="15.2.0-debian-11-r30" \
+      org.opencontainers.image.ref.name="15.3.0-debian-11-r0" \
       org.opencontainers.image.title="postgresql-repmgr" \
       org.opencontainers.image.vendor="VMware, Inc." \
-      org.opencontainers.image.version="15.2.0"
+      org.opencontainers.image.version="15.3.0"
 
 ENV HOME="/" \
     OS_ARCH="${TARGETARCH:-amd64}" \
@@ -22,7 +22,7 @@ SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 RUN install_packages ca-certificates curl libbsd0 libedit2 libffi7 libgcc-s1 libgmp10 libgnutls30 libhogweed6 libicu67 libidn2-0 libldap-2.4-2 liblz4-1 liblzma5 libmd0 libnettle8 libp11-kit0 libpcre3 libreadline8 libsasl2-2 libsqlite3-0 libssl1.1 libstdc++6 libtasn1-6 libtinfo6 libunistring2 libuuid1 libxml2 libxslt1.1 locales procps zlib1g
 RUN mkdir -p /tmp/bitnami/pkg/cache/ && cd /tmp/bitnami/pkg/cache/ && \
     COMPONENTS=( \
-      "postgresql-repmgr-15.2.0-10-linux-${OS_ARCH}-debian-11" \
+      "postgresql-repmgr-15.3.0-0-linux-${OS_ARCH}-debian-11" \
     ) && \
     for COMPONENT in "${COMPONENTS[@]}"; do \
       if [ ! -f "${COMPONENT}.tar.gz" ]; then \
@@ -46,7 +46,7 @@ RUN echo 'en_US.UTF-8 UTF-8' >> /etc/locale.gen && locale-gen
 COPY rootfs /
 RUN /opt/bitnami/scripts/postgresql-repmgr/postunpack.sh
 RUN /opt/bitnami/scripts/locales/add-extra-locales.sh
-ENV APP_VERSION="15.2.0" \
+ENV APP_VERSION="15.3.0" \
     BITNAMI_APP_NAME="postgresql-repmgr" \
     LANG="en_US.UTF-8" \
     LANGUAGE="en_US:en" \
diff --git a/bitnami/postgresql-repmgr/15/debian-11/prebuildfs/opt/bitnami/.bitnami_components.json b/bitnami/postgresql-repmgr/15/debian-11/prebuildfs/opt/bitnami/.bitnami_components.json
index 3dacf7b935d7..afde959bd88c 100644
--- a/bitnami/postgresql-repmgr/15/debian-11/prebuildfs/opt/bitnami/.bitnami_components.json
+++ b/bitnami/postgresql-repmgr/15/debian-11/prebuildfs/opt/bitnami/.bitnami_components.json
@@ -3,6 +3,6 @@
         "arch": "amd64",
         "distro": "debian-11",
         "type": "NAMI",
-        "version": "15.2.0-10"
+        "version": "15.3.0-0"
     }
 }
\ No newline at end of file
diff --git a/bitnami/postgresql-repmgr/15/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh b/bitnami/postgresql-repmgr/15/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh
index 02c989d693ae..6d9ca8546eef 100644
--- a/bitnami/postgresql-repmgr/15/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh
+++ b/bitnami/postgresql-repmgr/15/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh
@@ -421,7 +421,7 @@ generate_random_string() {
     alphanumeric+special|special+alphanumeric)
         # Limit variety of special characters, so there is a higher chance of containing more alphanumeric characters
         # Special characters are harder to write, and it could impact the overall UX if most passwords are too complex
-        filter='a-zA-Z0-9!@#$%^'
+        filter='a-zA-Z0-9:@.,/+!='
         ;;
     *)
         echo "Invalid type ${type}" >&2
diff --git a/bitnami/postgresql-repmgr/15/debian-11/tags-info.yaml b/bitnami/postgresql-repmgr/15/debian-11/tags-info.yaml
index 2c0087d176de..67cb7eb069ec 100644
--- a/bitnami/postgresql-repmgr/15/debian-11/tags-info.yaml
+++ b/bitnami/postgresql-repmgr/15/debian-11/tags-info.yaml
@@ -1,5 +1,5 @@
 rolling-tags:
 - "15"
 - 15-debian-11
-- 15.2.0
+- 15.3.0
 - latest