diff --git a/pkgs/development/tools/misc/dart-sass/default.nix b/pkgs/development/tools/misc/dart-sass/default.nix
index 3d0a9855bf9f..2c2bf455c288 100644
--- a/pkgs/development/tools/misc/dart-sass/default.nix
+++ b/pkgs/development/tools/misc/dart-sass/default.nix
@@ -15,17 +15,17 @@ let
 in
 buildDartApplication rec {
   pname = "dart-sass";
-  version = "1.64.1";
+  version = "1.65.1";
 
   src = fetchFromGitHub {
     owner = "sass";
     repo = pname;
     rev = version;
-    hash = "sha256-JIw1I60Av5hUSRyqhc4nK5x9gHJcHTUIdYBTfQf8ob4=";
+    hash = "sha256-q6UY+A7JFDYb9hzvr2SYI9GfkY9bg49fQkUM7gHKOBU=";
   };
 
   pubspecLockFile = ./pubspec.lock;
-  vendorHash = "sha256-kGeQIlNTHhlIEFH4MdWF5smc9lLg4YHx11bZS4BTPgI=";
+  vendorHash = "sha256-nIiffqM5HwJmORdONz+RADAPTISrz/3/HxK4aOSl5cM=";
 
   nativeBuildInputs = [
     buf