diff --git a/install_software.sh b/install_software.sh
index b061148..b5b64fc 100755
--- a/install_software.sh
+++ b/install_software.sh
@@ -1,8 +1,11 @@
+#!/bin/bash
+sudo add-apt-repository ppa:ubuntuhandbook1/ffmpeg6 -y
 sudo nala update
 sudo nala install -y \
 ffmpeg                         `# for video recording` \
 mpv                            `# for video playing` \
 sxiv                           `# for pictures` \
+strace                         `# for tracing` \
 docker.io                      `# containers` \
 
 # this is needed for pavucontrol working not under sudo only