diff --git a/pkgs/development/tools/grabserial/default.nix b/pkgs/development/tools/grabserial/default.nix
index 5e06e9f771d9..ce336241b65d 100644
--- a/pkgs/development/tools/grabserial/default.nix
+++ b/pkgs/development/tools/grabserial/default.nix
@@ -2,13 +2,13 @@
 
 pythonPackages.buildPythonApplication rec {
   pname = "grabserial";
-  version = "1.9.9";
+  version = "2.0.2";
 
   src = fetchFromGitHub {
     owner = "tbird20d";
     repo = "grabserial";
     rev = "v${version}";
-    sha256 = "0cwrajkh605gfhshrlpbc32gmx86a8kv3pq7cv713k60sgqrgpqx";
+    sha256 = "0ryk4w8q6zfmia71nwnk5b7xaxw0sf45dw9q50xp7k76i3k5f9f3";
   };
 
   propagatedBuildInputs = [ pythonPackages.pyserial ];