diff --git a/bitnami/nats/2/debian-11/Dockerfile b/bitnami/nats/2/debian-11/Dockerfile
index fdd308db9fe2..d5c7f9d86073 100644
--- a/bitnami/nats/2/debian-11/Dockerfile
+++ b/bitnami/nats/2/debian-11/Dockerfile
@@ -6,13 +6,13 @@ FROM docker.io/bitnami/minideb:bullseye
 ARG TARGETARCH
 
 LABEL org.opencontainers.image.base.name="docker.io/bitnami/minideb:bullseye" \
-      org.opencontainers.image.created="2023-07-12T06:38:30Z" \
+      org.opencontainers.image.created="2023-07-13T23:07:48Z" \
       org.opencontainers.image.description="Application packaged by VMware, Inc" \
       org.opencontainers.image.licenses="Apache-2.0" \
-      org.opencontainers.image.ref.name="2.9.19-debian-11-r7" \
+      org.opencontainers.image.ref.name="2.9.20-debian-11-r0" \
       org.opencontainers.image.title="nats" \
       org.opencontainers.image.vendor="VMware, Inc." \
-      org.opencontainers.image.version="2.9.19"
+      org.opencontainers.image.version="2.9.20"
 
 ENV HOME="/" \
     OS_ARCH="${TARGETARCH:-amd64}" \
@@ -22,11 +22,11 @@ ENV HOME="/" \
 COPY prebuildfs /
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 # Install required system packages and dependencies
-RUN install_packages ca-certificates curl procps
+RUN install_packages ca-certificates curl openssl procps
 RUN mkdir -p /tmp/bitnami/pkg/cache/ && cd /tmp/bitnami/pkg/cache/ && \
     COMPONENTS=( \
       "render-template-1.0.5-7-linux-${OS_ARCH}-debian-11" \
-      "nats-2.9.19-0-linux-${OS_ARCH}-debian-11" \
+      "nats-2.9.20-0-linux-${OS_ARCH}-debian-11" \
     ) && \
     for COMPONENT in "${COMPONENTS[@]}"; do \
       if [ ! -f "${COMPONENT}.tar.gz" ]; then \
@@ -44,7 +44,7 @@ RUN chmod g+rwX /opt/bitnami
 
 COPY rootfs /
 RUN /opt/bitnami/scripts/nats/postunpack.sh
-ENV APP_VERSION="2.9.19" \
+ENV APP_VERSION="2.9.20" \
     BITNAMI_APP_NAME="nats" \
     PATH="/opt/bitnami/common/bin:/opt/bitnami/nats/bin:$PATH"
 
diff --git a/bitnami/nats/2/debian-11/prebuildfs/opt/bitnami/.bitnami_components.json b/bitnami/nats/2/debian-11/prebuildfs/opt/bitnami/.bitnami_components.json
index b8d4c99595d4..79432a0369e0 100644
--- a/bitnami/nats/2/debian-11/prebuildfs/opt/bitnami/.bitnami_components.json
+++ b/bitnami/nats/2/debian-11/prebuildfs/opt/bitnami/.bitnami_components.json
@@ -3,7 +3,7 @@
         "arch": "amd64",
         "distro": "debian-11",
         "type": "NAMI",
-        "version": "2.9.19-0"
+        "version": "2.9.20-0"
     },
     "render-template": {
         "arch": "amd64",
diff --git a/bitnami/nats/2/debian-11/rootfs/opt/bitnami/scripts/libnats.sh b/bitnami/nats/2/debian-11/rootfs/opt/bitnami/scripts/libnats.sh
index ac0e5eb8fe8b..5b8f3387f2a1 100644
--- a/bitnami/nats/2/debian-11/rootfs/opt/bitnami/scripts/libnats.sh
+++ b/bitnami/nats/2/debian-11/rootfs/opt/bitnami/scripts/libnats.sh
@@ -193,7 +193,12 @@ nats_initialize() {
         SSL_EXT="subjectAltName=DNS:example.com,DNS:www.example.com,IP:127.0.0.1"
         rm -f "$SSL_KEY_FILE" "$SSL_CERT_FILE"
         openssl genrsa -out "$SSL_KEY_FILE" 4096
-        openssl req -new -sha256 -out "$SSL_CSR_FILE" -key "$SSL_KEY_FILE" -nodes -subj "$SSL_SUBJ" -addext "$SSL_EXT"
+        # OpenSSL version 1.0.x does not use the same parameters as OpenSSL >= 1.1.x
+        if [[ "$(openssl version | grep -oE "[0-9]+\.[0-9]+")" == "1.0" ]]; then
+            openssl req -new -sha256 -out "$SSL_CSR_FILE" -key "$SSL_KEY_FILE" -nodes -subj "$SSL_SUBJ"
+        else
+            openssl req -new -sha256 -out "$SSL_CSR_FILE" -key "$SSL_KEY_FILE" -nodes -subj "$SSL_SUBJ" -addext "$SSL_EXT"
+        fi
         openssl x509 -req -sha256 -in "$SSL_CSR_FILE" -signkey "$SSL_KEY_FILE" -out "$SSL_CERT_FILE" -days 1825 -extfile <(echo -n "$SSL_EXT")
         rm -f "$SSL_CSR_FILE"
     fi
diff --git a/bitnami/nats/2/debian-11/tags-info.yaml b/bitnami/nats/2/debian-11/tags-info.yaml
index 5af0b5f3ce4a..4ef657de03d6 100644
--- a/bitnami/nats/2/debian-11/tags-info.yaml
+++ b/bitnami/nats/2/debian-11/tags-info.yaml
@@ -1,5 +1,5 @@
 rolling-tags:
 - "2"
 - 2-debian-11
-- 2.9.19
+- 2.9.20
 - latest