diff --git a/bin/installdumux.py b/bin/installdumux.py
index 301303cd97397cee0616031e2b43e469249fb105..b7dc8a2ece9bfe0622ef6939f9d2f5711387a5fd 100755
--- a/bin/installdumux.py
+++ b/bin/installdumux.py
@@ -30,8 +30,8 @@ parser = argparse.ArgumentParser(
     description="This script downloads and compiles the latest release of Dumux.",
 )
 # Optional arguments
-parser.add_argument("--dune-version", default="2.8", help="Dune version to be checked out.")
-parser.add_argument("--dumux-version", default="3.6", help="Dumux version to be checked out.")
+parser.add_argument("--dune-version", default="2.9", help="Dune version to be checked out.")
+parser.add_argument("--dumux-version", default="3.7", help="Dumux version to be checked out.")
 args = vars(parser.parse_args())
 
 duneBranch = (
diff --git a/bin/installexternal.py b/bin/installexternal.py
index da831a7b1c290d745af5c2cd269492ee5b36c398..3fd7951bdc49c16ff1c26c4d568bb48252490d64 100755
--- a/bin/installexternal.py
+++ b/bin/installexternal.py
@@ -210,7 +210,7 @@ options.add_argument(
 
 parser.add_argument("--dune-branch", default="releases/2.9", help="Dune branch to be checked out.")
 parser.add_argument(
-    "--dumux-branch", default="releases/3.6", help="Dumux branch to be checked out."
+    "--dumux-branch", default="releases/3.7", help="Dumux branch to be checked out."
 )
 parser.add_argument("--opm-branch", default="release/2022.10", help="Opm branch to be checked out.")
 parser.add_argument("--mmesh-branch", default="release/1.4", help="Mmesh branch to be checked out.")