diff --git a/CI/install-dependencies-ubuntu.sh b/CI/install-dependencies-ubuntu.sh
index 5bad2ea8..79ce4130 100755
--- a/CI/install-dependencies-ubuntu.sh
+++ b/CI/install-dependencies-ubuntu.sh
@@ -4,6 +4,9 @@ set -ex
 sudo add-apt-repository -y ppa:obsproject/obs-studio
 sudo apt-get -qq update
 echo updated
+sudo cp /etc/apt/sources.list /etc/apt/sources.list~
+sudo sed -Ei 's/^# deb-src /deb-src /' /etc/apt/sources.list
+sudo apt-get update
 sudo apt-get -y build-dep obs-studio 
 
 sudo apt-get install -y \