diff --git a/pkgs/development/python-modules/lark-parser/default.nix b/pkgs/development/python-modules/lark-parser/default.nix
index 38e51ac0ac68..1ba7df00ea3a 100644
--- a/pkgs/development/python-modules/lark-parser/default.nix
+++ b/pkgs/development/python-modules/lark-parser/default.nix
@@ -5,13 +5,13 @@
 
 buildPythonPackage rec {
   pname = "lark-parser";
-  version = "0.7.8";
+  version = "0.8.1";
 
   src = fetchFromGitHub {
     owner = "lark-parser";
     repo = "lark";
     rev = version;
-    sha256 = "0gd5c3scpyir3h8clhwb5jsf8dkmh1vh7rx8135lkx9fxx01q0az";
+    sha256 = "1mjicdvrzh9r9q3xrjrzaiaxk04r60a3l6l0vnp1hq3xfc9ccqc8";
   };
 
   # tests of Nearley support require js2py