diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 9551a5649..b5e1329c2 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -23,8 +23,8 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install software-properties-common
-          add-apt-repository -y ppa:ettusresearch/uhd
-          apt-get update
+          sudo add-apt-repository -y ppa:ettusresearch/uhd
+          sudo apt-get update
           sudo apt-get -y install build-essential cmake git xxd \
             devscripts fakeroot debhelper libfftw3-dev qtbase5-dev libopengl-dev libqt5opengl5-dev \
             qttools5-dev qttools5-dev-tools qtmultimedia5-dev libqt5multimedia5-plugins libqt5websockets5-dev \