diff --git a/pkgs/applications/science/networking/sumo/default.nix b/pkgs/applications/science/networking/sumo/default.nix
index 956691582bda..16ce24ca3e8a 100644
--- a/pkgs/applications/science/networking/sumo/default.nix
+++ b/pkgs/applications/science/networking/sumo/default.nix
@@ -5,13 +5,13 @@
 
 stdenv.mkDerivation rec {
   pname = "sumo";
-  version = "1.19.0";
+  version = "1.20.0";
 
   src = fetchFromGitHub {
     owner = "eclipse";
     repo = "sumo";
     rev = "v${lib.replaceStrings ["."] ["_"] version}";
-    sha256 = "sha256-uB7Gy0uX3LsZDeeITyjl7DN76TFJQKgsQs4RoDVfSmY=";
+    sha256 = "sha256-y/bkdDWrb1KB0EOVSJPfPVYHGp/zQ2+Shb6eLsFQRNQ=";
     fetchSubmodules = true;
   };