diff --git a/opp_env/database/veins.py b/opp_env/database/veins.py
index 083a14f2..5066231b 100644
--- a/opp_env/database/veins.py
+++ b/opp_env/database/veins.py
@@ -70,6 +70,7 @@ def get_project_descriptions():
         # - many Veins versions may actually compile/work with more omnetpp versions than listed -- this is to be checked
         # - versions before 5.0 need older versions of SUMO, which are currently not available as nix packages
         #
+        ["5.3", ["4.5.4", "3.8.2"], ["1.21.0"], ["6.1.0", "6.0.3", "5.7.1"]],
         ["5.2", ["4.2.8", "4.2.5", "4.2.4", "4.2.3", "4.2.2", "4.2.1", "4.2.0", "3.8.1", "3.7.1", "3.7.0", "3.6.8", "3.6.7", "3.6.6", "3.6.5"], ["1.9.2"], ["5.7.*", "5.6.*", "5.5.*", "5.4.*", "5.3.*"]],
         ["5.1", ["4.2.1", "4.2.0", "3.6.5", "3.6.6", "3.6.7", "3.6.8"], ["1.9.2"], ["5.5.*", "5.4.*", "5.3.*"]],
         ["5.0", ["4.1.1", "4.1.0", "3.6.5"], ["1.9.2"], ["5.5.*", "5.4.*", "5.3.*"]],      # this is the first one that works with sumo 1.9.2