diff --git a/pkgs/by-name/su/sumo/package.nix b/pkgs/by-name/su/sumo/package.nix
index 24ffb06f0232..631ab932a842 100644
--- a/pkgs/by-name/su/sumo/package.nix
+++ b/pkgs/by-name/su/sumo/package.nix
@@ -37,13 +37,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "sumo";
-  version = "1.27.0";
+  version = "1.27.1";
 
   src = fetchFromGitHub {
     owner = "eclipse-sumo";
     repo = "sumo";
     tag = "v${lib.replaceStrings [ "." ] [ "_" ] finalAttrs.version}";
-    hash = "sha256-fi/36vgnxRezqkEEPRNxz/PBjg2hvwI9XpaN6IT7298=";
+    hash = "sha256-8yYm6HIVTmDoHrlMw5cUjxh6QtN5p8G+fGA/XTl/UnI=";
     fetchSubmodules = true;
   };