diff --git a/bitnami/pgbouncer/1/debian-11/Dockerfile b/bitnami/pgbouncer/1/debian-11/Dockerfile
index 689cee007994..38e9dffff032 100644
--- a/bitnami/pgbouncer/1/debian-11/Dockerfile
+++ b/bitnami/pgbouncer/1/debian-11/Dockerfile
@@ -3,10 +3,10 @@ FROM docker.io/bitnami/minideb:bullseye
 ARG TARGETARCH
 
 LABEL org.opencontainers.image.base.name="docker.io/bitnami/minideb:bullseye" \
-      org.opencontainers.image.created="2023-06-08T08:56:46Z" \
+      org.opencontainers.image.created="2023-06-09T07:58:48Z" \
       org.opencontainers.image.description="Application packaged by VMware, Inc" \
       org.opencontainers.image.licenses="Apache-2.0" \
-      org.opencontainers.image.ref.name="1.19.1-debian-11-r3" \
+      org.opencontainers.image.ref.name="1.19.1-debian-11-r4" \
       org.opencontainers.image.title="pgbouncer" \
       org.opencontainers.image.vendor="VMware, Inc." \
       org.opencontainers.image.version="1.19.1"
diff --git a/bitnami/pgbouncer/README.md b/bitnami/pgbouncer/README.md
index 7581b7c6c7f2..e9dda7daacdc 100644
--- a/bitnami/pgbouncer/README.md
+++ b/bitnami/pgbouncer/README.md
@@ -83,7 +83,7 @@ The Bitnami PgBouncer container requires a running PostgreSQL installation to co
 
 * `POSTGRESQL_USERNAME`: Backend PostgreSQL username. Default: **postgres**.
 * `POSTGRESQL_PASSWORD`: Backend PostgreSQL password. No defaults.
-* `POSTGRESQL_DATABASE`: Backend PostgreSQL Database name to connect to. Default: **postgres**.
+* `POSTGRESQL_DATABASE`: Backend PostgreSQL Database name to connect to. Default: **${PGBOUNCER_DATABASE}**.
 * `POSTGRESQL_HOST`: Backend PostgreSQL hostname. Default: **postgresql**.
 * `POSTGRESQL_PORT`: Backend PostgreSQL port. Default: **5432**.
 * `PGBOUNCER_SET_DATABASE_USER`: Whether to include the backend PostgreSQL username in the database string. Default **no**.
@@ -118,6 +118,8 @@ To expose the same database name as the backend, set `PGBOUNCER_DATABASE="$POSTG
 
 * `PGBOUNCER_AUTH_USER`: PgBouncer will use this user to connect to the database and query the PostgreSQL backend for a user and password. No defaults.
 * `PGBOUNCER_AUTH_QUERY`: PgBouncer will use this query to connect to the database and query the PostgreSQL backend for a user and password. No defaults.
+* `PGBOUNCER_AUTH_TYPE`: PgBouncer authentication type. Default: **md5**
+* `PGBOUNCER_AUTH_HBA_FILE`: HBA configuration file to use if auth_type is set to hba. No defaults.
 * `PGBOUNCER_USERLIST`: Specify content of the *userlist.txt* file
 * `PGBOUNCER_POOL_MODE` : PgBouncer pool mode. Allowed values: session, transaction and statement. Default: **session**.
 * `PGBOUNCER_INIT_SLEEP_TIME` : PgBouncer initialization sleep time. Default: **10**.