diff --git a/bitnami/keycloak/21/debian-11/Dockerfile b/bitnami/keycloak/21/debian-11/Dockerfile
index e69267f39144..6ab8d12e2693 100644
--- a/bitnami/keycloak/21/debian-11/Dockerfile
+++ b/bitnami/keycloak/21/debian-11/Dockerfile
@@ -4,10 +4,10 @@ ARG JAVA_EXTRA_SECURITY_DIR="/bitnami/java/extra-security"
 ARG TARGETARCH
 
 LABEL org.opencontainers.image.base.name="docker.io/bitnami/minideb:bullseye" \
-      org.opencontainers.image.created="2023-05-09T14:07:09Z" \
+      org.opencontainers.image.created="2023-05-12T14:48:01Z" \
       org.opencontainers.image.description="Application packaged by VMware, Inc" \
       org.opencontainers.image.licenses="Apache-2.0" \
-      org.opencontainers.image.ref.name="21.1.1-debian-11-r4" \
+      org.opencontainers.image.ref.name="21.1.1-debian-11-r5" \
       org.opencontainers.image.title="keycloak" \
       org.opencontainers.image.vendor="VMware, Inc." \
       org.opencontainers.image.version="21.1.1"
diff --git a/bitnami/keycloak/21/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh b/bitnami/keycloak/21/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh
index 02c989d693ae..6d9ca8546eef 100644
--- a/bitnami/keycloak/21/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh
+++ b/bitnami/keycloak/21/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/keycloak/README.md b/bitnami/keycloak/README.md
index 7220e1da59cc..9e35c82d2d74 100644
--- a/bitnami/keycloak/README.md
+++ b/bitnami/keycloak/README.md
@@ -31,6 +31,8 @@ docker-compose up
 * 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 Keycloak in production? Try [VMware Application Catalog](https://bitnami.com/enterprise), the enterprise edition of Bitnami Application Catalog.
+
 ## How to deploy Keycloak 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 Keycloak Chart GitHub repository](https://github.com/bitnami/charts/tree/master/bitnami/keycloak).