diff --git a/bitnami/harbor-adapter-trivy/2/debian-10/Dockerfile b/bitnami/harbor-adapter-trivy/2/debian-10/Dockerfile
index 8eacebce10d9..6d04f4a0650f 100644
--- a/bitnami/harbor-adapter-trivy/2/debian-10/Dockerfile
+++ b/bitnami/harbor-adapter-trivy/2/debian-10/Dockerfile
@@ -18,7 +18,7 @@ RUN chmod g+rwX /opt/bitnami
 COPY rootfs /
 RUN /opt/bitnami/scripts/harbor-adapter-trivy/postunpack.sh
 ENV BITNAMI_APP_NAME="harbor-adapter-trivy" \
-    BITNAMI_IMAGE_VERSION="2.1.2-debian-10-r11" \
+    BITNAMI_IMAGE_VERSION="2.1.2-debian-10-r12" \
     PATH="/opt/bitnami/harbor-adapter-trivy/bin:/opt/bitnami/common/bin:$PATH"
 
 WORKDIR /opt/bitnami/harbor-adapter-trivy
diff --git a/bitnami/harbor-adapter-trivy/2/debian-10/prebuildfs/opt/bitnami/scripts/libnet.sh b/bitnami/harbor-adapter-trivy/2/debian-10/prebuildfs/opt/bitnami/scripts/libnet.sh
index d658d7607277..4391dacc7853 100644
--- a/bitnami/harbor-adapter-trivy/2/debian-10/prebuildfs/opt/bitnami/scripts/libnet.sh
+++ b/bitnami/harbor-adapter-trivy/2/debian-10/prebuildfs/opt/bitnami/scripts/libnet.sh
@@ -10,15 +10,17 @@
 # Functions
 
 ########################
-# Resolve dns
+# Resolve IP address for a host/domain (i.e. DNS lookup)
 # Arguments:
 #   $1 - Hostname to resolve
+#   $2 - IP address version (v4, v6), leave empty for resolving to any version
 # Returns:
 #   IP
 #########################
 dns_lookup() {
     local host="${1:?host is missing}"
-    getent ahosts "$host" | awk '/STREAM/ {print $1 }'
+    local ip_version="${2:-}"
+    getent "ahosts${ip_version}" "$host" | awk '/STREAM/ {print $1 }' | head -n 1
 }
 
 #########################
diff --git a/bitnami/harbor-adapter-trivy/README.md b/bitnami/harbor-adapter-trivy/README.md
index 76179f342cb2..d007deed8495 100644
--- a/bitnami/harbor-adapter-trivy/README.md
+++ b/bitnami/harbor-adapter-trivy/README.md
@@ -42,7 +42,7 @@ Non-root container images add an extra layer of security and are generally recom
 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/).
 
 
-* [`2`, `2-debian-10`, `2.1.2`, `2.1.2-debian-10-r11`, `latest` (2/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-harbor-adapter-trivy/blob/2.1.2-debian-10-r11/2/debian-10/Dockerfile)
+* [`2`, `2-debian-10`, `2.1.2`, `2.1.2-debian-10-r12`, `latest` (2/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-harbor-adapter-trivy/blob/2.1.2-debian-10-r12/2/debian-10/Dockerfile)
 
 Subscribe to project updates by watching the [bitnami/harbor-adapter-trivy GitHub repo](https://github.com/bitnami/bitnami-docker-harbor-adapter-trivy).