diff --git a/pkgs/development/python-modules/jaxtyping/default.nix b/pkgs/development/python-modules/jaxtyping/default.nix
index 7f94da78ba3..0d0621c56ec 100644
--- a/pkgs/development/python-modules/jaxtyping/default.nix
+++ b/pkgs/development/python-modules/jaxtyping/default.nix
@@ -16,14 +16,14 @@
 let
   self = buildPythonPackage rec {
     pname = "jaxtyping";
-    version = "0.2.21";
-    format = "pyproject";
+    version = "0.2.22";
+    pyproject = true;
 
     src = fetchFromGitHub {
       owner = "google";
       repo = "jaxtyping";
       rev = "refs/tags/v${version}";
-      hash = "sha256-BacfFcrzXeS6LemU7P6oCZJGB/Zzq09kEPuz2rTIyfI=";
+      hash = "sha256-OYx7Eq5jxSGERHsk611+n+Nq2B915gpJLPZYdO7Lt+k=";
     };
 
     nativeBuildInputs = [