diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3a745d88b04..4c94110f683 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -22,9 +22,9 @@ jobs:
     strategy:
       matrix:
         include:
-          - distribution: buster
+          - distribution: bullseye
             compilier: gcc
-          - distribution: buster
+          - distribution: bullseye
             compilier: clang
           - distribution: sid
             compilier: gcc
diff --git a/test/travis/build_travis.sh b/test/travis/build_travis.sh
index 368f013ebc4..696e193dec5 100755
--- a/test/travis/build_travis.sh
+++ b/test/travis/build_travis.sh
@@ -7,7 +7,7 @@
 
 set -e
 
-DIST=${DIST:-buster}
+DIST=${DIST:-bullseye}
 CC=${CC:-gcc}
 
 if ! [ -d /code/pkg/kamailio/deb/"${DIST}" ] ; then