diff --git a/setup.cfg b/setup.cfg
index a99d077..5b21f45 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -18,7 +18,7 @@ install_requires =
     jax>=0.4.24
     jaxlib>=0.4.24
     equinox>=0.10.6
-    optax>=0.1.5
+    optax>=0.2.3
     evosax>=0.1.4
     tqdm
     corner
diff --git a/src/flowMC/strategy/global_tuning.py b/src/flowMC/strategy/global_tuning.py
index f583f58..0ecc729 100644
--- a/src/flowMC/strategy/global_tuning.py
+++ b/src/flowMC/strategy/global_tuning.py
@@ -220,7 +220,6 @@ def __init__(
         **kwargs,
     ):
         class_keys = list(self.__class__.__annotations__.keys())
-        print(class_keys)
         for key, value in kwargs.items():
             if key in class_keys:
                 if not key.startswith("__"):