diff --git a/bitnami/flink/1/debian-11/Dockerfile b/bitnami/flink/1/debian-11/Dockerfile
index c7dac8029d39..8cf671d52159 100644
--- a/bitnami/flink/1/debian-11/Dockerfile
+++ b/bitnami/flink/1/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="2023-05-09T15:54:51Z" \
+      org.opencontainers.image.created="2023-05-12T17:30:56Z" \
       org.opencontainers.image.description="Application packaged by VMware, Inc" \
       org.opencontainers.image.licenses="Apache-2.0" \
-      org.opencontainers.image.ref.name="1.16.1-debian-11-r18" \
+      org.opencontainers.image.ref.name="1.16.1-debian-11-r19" \
       org.opencontainers.image.title="flink" \
       org.opencontainers.image.vendor="VMware, Inc." \
       org.opencontainers.image.version="1.16.1"
diff --git a/bitnami/flink/1/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh b/bitnami/flink/1/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh
index 02c989d693ae..6d9ca8546eef 100644
--- a/bitnami/flink/1/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh
+++ b/bitnami/flink/1/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/flink/README.md b/bitnami/flink/README.md
index fd7d49315fe3..162d73e052b8 100644
--- a/bitnami/flink/README.md
+++ b/bitnami/flink/README.md
@@ -23,6 +23,8 @@ docker run --name v bitnami/flink:latest
 - 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 Apache Flink in production? Try [VMware Application Catalog](https://bitnami.com/enterprise), the enterprise edition of Bitnami Application Catalog.
+
 ## Supported tags and respective `Dockerfile` links
 
 Learn more about the Bitnami tagging policy and the difference between rolling tags and immutable tags [in our documentation page](https://docs.bitnami.com/tutorials/understand-rolling-tags-containers/).