diff --git a/setup.cfg b/setup.cfg
index 80b2ec9db..f8f591627 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -23,7 +23,7 @@ install_requires =
     aiida-core>=2.1,<3
     aiidalab>=21.11.2
     ansi2html~=1.6
-    ase~=3.18,<3.23
+    ase~=3.18
     bokeh~=2.0
     humanfriendly~=10.0
     ipytree~=0.2