diff --git a/pkgs/by-name/um/umap/package.nix b/pkgs/by-name/um/umap/package.nix
index a5122d2eb5f3..b39ff14d5cc9 100644
--- a/pkgs/by-name/um/umap/package.nix
+++ b/pkgs/by-name/um/umap/package.nix
@@ -19,14 +19,14 @@ let
 in
 python.pkgs.buildPythonApplication rec {
   pname = "umap";
-  version = "3.4.0";
+  version = "3.4.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "umap-project";
     repo = "umap";
     rev = version;
-    hash = "sha256-7nOBcRj2b1UaGSFEslcMt04iJmKKwFQh8eP6aeeoQ7Y=";
+    hash = "sha256-hTIf3ipdreV1YIbVbbyYAprwG2e5b9zFtIchLduwVTc=";
   };
 
   build-system = [