diff --git a/docker-bench-security.sh b/docker-bench-security.sh
index ce4de2c..280c552 100755
--- a/docker-bench-security.sh
+++ b/docker-bench-security.sh
@@ -19,7 +19,7 @@ myname=$(basename "${this_path}")     ## file name of this script.
 export PATH=/bin:/sbin:/usr/bin:/usr/local/bin:/usr/sbin/
 
 # Check for required program(s)
-req_progs='awk docker grep netstat stat'
+req_progs='awk docker grep ss stat'
 for p in $req_progs; do
   command -v "$p" >/dev/null 2>&1 || { printf "%s command not found.\n" "$p"; exit 1; }
 done
diff --git a/tests/7_docker_swarm_configuration.sh b/tests/7_docker_swarm_configuration.sh
index a3a80c7..df1f67d 100644
--- a/tests/7_docker_swarm_configuration.sh
+++ b/tests/7_docker_swarm_configuration.sh
@@ -32,7 +32,7 @@ fi
 # 7.3
 check_7_3="7.3  - Ensure swarm services are binded to a specific host interface"
 if docker info 2>/dev/null | grep -e "Swarm:*\sactive\s*" >/dev/null 2>&1; then
-  netstat -lnt | grep -e '\[::]:2377 ' -e ':::2377' -e '*:2377 ' -e ' 0\.0\.0\.0:2377 ' >/dev/null 2>&1
+  ss -lnt | grep -e '\[::]:2377 ' -e ':::2377' -e '*:2377 ' -e ' 0\.0\.0\.0:2377 ' >/dev/null 2>&1
   if [ $? -eq 1 ]; then
     pass "$check_7_3"
     logjson "7.3" "PASS"