diff --git a/environment-dev.yml b/environment-dev.yml
index 7fd0e7ee..e6f42b5b 100644
--- a/environment-dev.yml
+++ b/environment-dev.yml
@@ -13,7 +13,7 @@ dependencies:
   - openmm
   - parmed>=3.4.3
   - ele
-  - openff-toolkit >=0.11.0
+  - openff-toolkit >=0.11
   - gmso
   - pip
   - pre-commit
diff --git a/foyer/topology_graph.py b/foyer/topology_graph.py
index c2fb0ff3..e187e774 100644
--- a/foyer/topology_graph.py
+++ b/foyer/topology_graph.py
@@ -197,7 +197,7 @@ def from_openff_topology(cls, openff_topology: "OpenFFTopology"):
         if uses_old_api:
             from parmed import periodic_table as pt
 
-            for top_atom in openff_topology.topology_atoms:
+            for top_atom in openff_topology.atoms:
                 atom = top_atom.atom
                 element_symbol = pt.Element[atom.atomic_number]
                 top_graph.add_atom(