diff --git a/pkgs/development/python-modules/lark-parser/default.nix b/pkgs/development/python-modules/lark-parser/default.nix
index 527c99a1589..590ca988023 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 = "0.7.2";
+  version = "0.7.3";
 
   src = fetchFromGitHub {
     owner = "lark-parser";
     repo = "lark";
     rev = version;
-    sha256 = "05na4izlq34bmij8awmfn58liinmsh8qzh6948knk5ms5nsh50cp";
+    sha256 = "1d8dbn8wwqqvvjyhai813sqkx6366d8jkjq0gkyh51692pflmwrp";
   };
 
   # tests of Nearley support require js2py