diff --git a/pkgs/development/compilers/lesscpy/default.nix b/pkgs/development/compilers/lesscpy/default.nix
index f30b392b7459..d85b36da8918 100644
--- a/pkgs/development/compilers/lesscpy/default.nix
+++ b/pkgs/development/compilers/lesscpy/default.nix
@@ -2,11 +2,11 @@
 
 python3Packages.buildPythonApplication rec {
   pname   = "lesscpy";
-  version = "0.13.0";
+  version = "0.15.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1bbjag13kawnjdn7q4flfrkd0a21rgn9ycfqsgfdmg658jsx1ipk";
+    sha256 = "sha256-EEXRepj2iGRsp1jf8lTm6cA3RWSOBRoIGwOVw7d8gkw=";
   };
 
   checkInputs = with python3Packages; [ pytestCheckHook ];