diff --git a/pkgs/development/python-modules/cuda-pathfinder/default.nix b/pkgs/development/python-modules/cuda-pathfinder/default.nix
index ce922a403f35..b2ceb5a4857c 100644
--- a/pkgs/development/python-modules/cuda-pathfinder/default.nix
+++ b/pkgs/development/python-modules/cuda-pathfinder/default.nix
@@ -14,7 +14,7 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "cuda-pathfinder";
-  version = "1.5.5";
+  version = "1.5.6";
   pyproject = true;
   __structuredAttrs = true;
 
@@ -22,7 +22,7 @@ buildPythonPackage (finalAttrs: {
     owner = "NVIDIA";
     repo = "cuda-python";
     tag = "cuda-pathfinder-v${finalAttrs.version}";
-    hash = "sha256-hvCwN6uLGiZLdAholFy3Jqb+ys7mAqVNc9UonPXm3+M=";
+    hash = "sha256-okhlkeS7vmH5nUFvND6stB5FoyGAsO1VimWRgFxqHKU=";
   };
 
   sourceRoot = "${finalAttrs.src.name}/cuda_pathfinder";