diff --git a/.drone.yml b/.drone.yml
index 8d33b1034..429e27931 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -182,7 +182,7 @@ steps:
     COMMON_FLAGS: 'USE_OPENMP=1'
   commands:
     - echo "MAKE_FLAGS:= $COMMON_FLAGS"
-    - add-apt-repository ppa:ubuntu-toolchain-r/test
+    - add-apt-repository ppa:ubuntu-toolchain-r/ppa
     - apt-get update -y
     - apt-get install -y make $CC gfortran-10 perl python g++-10
     - $CC --version