diff --git a/pkgs/development/python-modules/equinox/default.nix b/pkgs/development/python-modules/equinox/default.nix
index 853e239500e2..d8342f054bc2 100644
--- a/pkgs/development/python-modules/equinox/default.nix
+++ b/pkgs/development/python-modules/equinox/default.nix
@@ -7,19 +7,20 @@
 , jaxtyping
 , typing-extensions
 , beartype
+, optax
 , pytestCheckHook
 }:
 
 buildPythonPackage rec {
   pname = "equinox";
-  version = "0.10.11";
-  format = "pyproject";
+  version = "0.11.1";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "patrick-kidger";
-    repo = pname;
+    repo = "equinox";
     rev = "refs/tags/v${version}";
-    hash = "sha256-JffuPplIROPog29FBsWH9cQHSkrFKuXjaTjjEwIqW/0=";
+    hash = "sha256-iYVAbUIZG90kgWger+M+DZmS/kQ3nEPXQFU+90lHgK0=";
   };
 
   nativeBuildInputs = [
@@ -35,6 +36,7 @@ buildPythonPackage rec {
 
   nativeCheckInputs = [
     beartype
+    optax
     pytestCheckHook
   ];
 
diff --git a/pkgs/development/python-modules/jaxtyping/default.nix b/pkgs/development/python-modules/jaxtyping/default.nix
index 0d0621c56ec9..364e65012b53 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 = "0.2.22";
+    version = "0.2.23";
     pyproject = true;
 
     src = fetchFromGitHub {
       owner = "google";
       repo = "jaxtyping";
       rev = "refs/tags/v${version}";
-      hash = "sha256-OYx7Eq5jxSGERHsk611+n+Nq2B915gpJLPZYdO7Lt+k=";
+      hash = "sha256-22dIuIjFgqRmV9AQok02skVt7fm17/WpzBm3FrJ6/zs=";
     };
 
     nativeBuildInputs = [