diff --git a/setup.sh b/setup.sh
index d14cfde..4ab006a 100755
--- a/setup.sh
+++ b/setup.sh
@@ -323,6 +323,9 @@ install_macos_packages() {
     ok "multimon-ng already installed"
   fi
 
+  progress "Installing direwolf (APRS decoder)"
+  (brew_install direwolf) || warn "direwolf not available via Homebrew"
+
   progress "Installing ffmpeg"
   brew_install ffmpeg
 
@@ -509,6 +512,9 @@ install_debian_packages() {
   progress "Installing multimon-ng"
   apt_install multimon-ng
 
+  progress "Installing direwolf (APRS decoder)"
+  apt_install direwolf || true
+
   progress "Installing ffmpeg"
   apt_install ffmpeg