diff --git a/bitnami/postgresql/15/debian-11/Dockerfile b/bitnami/postgresql/15/debian-11/Dockerfile
index 61a7c3fdf7cf..f444cd78b2d9 100644
--- a/bitnami/postgresql/15/debian-11/Dockerfile
+++ b/bitnami/postgresql/15/debian-11/Dockerfile
@@ -5,10 +5,10 @@ ARG TARGETARCH
 ARG WITH_ALL_LOCALES="no"
 
 LABEL org.opencontainers.image.base.name="docker.io/bitnami/minideb:bullseye" \
-      org.opencontainers.image.created="2023-05-08T19:17:05Z" \
+      org.opencontainers.image.created="2023-05-11T19:44:14Z" \
       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="15.2.0-debian-11-r31" \
       org.opencontainers.image.title="postgresql" \
       org.opencontainers.image.vendor="VMware, Inc." \
       org.opencontainers.image.version="15.2.0"
diff --git a/bitnami/postgresql/15/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh b/bitnami/postgresql/15/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh
index 02c989d693ae..6d9ca8546eef 100644
--- a/bitnami/postgresql/15/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh
+++ b/bitnami/postgresql/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/README.md b/bitnami/postgresql/README.md
index 255df07c7c2e..6b07d04ca159 100644
--- a/bitnami/postgresql/README.md
+++ b/bitnami/postgresql/README.md
@@ -31,6 +31,8 @@ docker-compose up -d
 * All Bitnami images available in Docker Hub are signed with [Docker Content Trust (DCT)](https://docs.docker.com/engine/security/trust/content_trust/). You can use `DOCKER_CONTENT_TRUST=1` to verify the integrity of the images.
 * Bitnami container images are released on a regular basis with the latest distribution packages available.
 
+Looking to use PostgreSQL in production? Try [VMware Application Catalog](https://bitnami.com/enterprise), the enterprise edition of Bitnami Application Catalog.
+
 ## How to deploy PostgreSQL in Kubernetes?
 
 Deploying Bitnami applications as Helm Charts is the easiest way to get started with our applications on Kubernetes. Read more about the installation in the [Bitnami PostgreSQL Chart GitHub repository](https://github.com/bitnami/charts/tree/master/bitnami/postgresql).