diff --git a/requirements.txt b/requirements.txt
index 103c73c..2567927 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -45,6 +45,7 @@ cryptography>=41.0.0
 # mypy>=1.0.0
 # WebSocket support for in-app audio streaming (KiwiSDR, Listening Post)
 flask-sock
+simple-websocket>=0.5.1
 websocket-client>=1.6.0
 
 # System health monitoring (optional - graceful fallback if unavailable)
diff --git a/setup.sh b/setup.sh
index 906b3d7..bd3b880 100755
--- a/setup.sh
+++ b/setup.sh
@@ -558,7 +558,7 @@ install_python_deps() {
   ok "Core Python packages installed"
 
   info "Installing optional packages..."
-  for pkg in "flask-sock" "websocket-client>=1.6.0" "numpy>=1.24.0" "scipy>=1.10.0" \
+  for pkg in "flask-sock" "simple-websocket>=0.5.1" "websocket-client>=1.6.0" "numpy>=1.24.0" "scipy>=1.10.0" \
              "Pillow>=9.0.0" "skyfield>=1.45" "bleak>=0.21.0" "psycopg2-binary>=2.9.9" \
              "meshtastic>=2.0.0" "scapy>=2.4.5" "qrcode[pil]>=7.4" "cryptography>=41.0.0" \
              "gunicorn>=21.2.0" "gevent>=23.9.0" "psutil>=5.9.0"; do