diff --git a/pkgs/development/python-modules/fslpy/default.nix b/pkgs/development/python-modules/fslpy/default.nix
index 48d828abea24..3edbf75a21de 100644
--- a/pkgs/development/python-modules/fslpy/default.nix
+++ b/pkgs/development/python-modules/fslpy/default.nix
@@ -21,7 +21,7 @@
 
 buildPythonPackage rec {
   pname = "fslpy";
-  version = "3.21.1";
+  version = "3.23.0";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -31,7 +31,7 @@ buildPythonPackage rec {
     owner = "fsl";
     repo = "fslpy";
     rev = "refs/tags/${version}";
-    hash = "sha256-O0bhzu6zZeuGJqXAwlgM8qHkgtaGCmg7xSkOqbZH2eA=";
+    hash = "sha256-lY/7TNOqGK0pRm5Rne1nrqXVQDZPkHwlZV9ITsOwp9Q=";
   };
 
   build-system = [ setuptools ];