diff --git a/pkgs/development/python-modules/fastcore/default.nix b/pkgs/development/python-modules/fastcore/default.nix
index 8b42a9d32ba4..c408ab3d9282 100644
--- a/pkgs/development/python-modules/fastcore/default.nix
+++ b/pkgs/development/python-modules/fastcore/default.nix
@@ -8,14 +8,14 @@
 
 buildPythonPackage rec {
   pname = "fastcore";
-  version = "1.8.12";
+  version = "1.8.13";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "fastai";
     repo = "fastcore";
     tag = version;
-    hash = "sha256-YJONK7WMAQLCkROosGbT5C1G/JtTC7iZs2t+mx03yOo=";
+    hash = "sha256-5bgFV7ZGk+s8jjQaE13lWY+fIStin701ZrzyoJ7ziyY=";
   };
 
   build-system = [ setuptools ];