diff --git a/bin/installexternal.py b/bin/installexternal.py
index af3035b10a7efefb2c01cd21fbcca5376c977a3f..eb764491f4cf7cb76f76a8a050a7c2a23aa378fd 100755
--- a/bin/installexternal.py
+++ b/bin/installexternal.py
@@ -94,7 +94,7 @@ options.add_argument(
     "--download", action="store_true", default=False, help="Only download the packages."
 )
 
-parser.add_argument("--dune-branch", default="releases/2.7", help="Dune branch to be checked out.")
+parser.add_argument("--dune-branch", default="releases/2.8", help="Dune branch to be checked out.")
 parser.add_argument(
     "--dumux-branch", default="releases/3.4", help="Dumux branch to be checked out."
 )