diff --git a/pyproject.toml b/pyproject.toml
index 9def308d82..078dff8fce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -103,7 +103,7 @@ strict-forcefields-generic = [
     "deepmd-kit==3.1.3",
     "tensorflow-cpu==2.21.0",
     "mattersim==1.2.1",
-    "ase<3.28.0", # TODO: remove, required for mattersim because of ase.constraints import
+    "ase<3.29.0", # TODO: remove, required for mattersim because of ase.constraints import
     "wandb>=0.24.0", # required for mattersim
     "upet>=0.2.1",
 ]