diff --git a/conda-recipe/meta.yaml b/conda-recipe/meta.yaml
index d438932..716353b 100644
--- a/conda-recipe/meta.yaml
+++ b/conda-recipe/meta.yaml
@@ -31,6 +31,7 @@ requirements:
     - rdkit >=2025.9.5,<2026
     - linkml >=1.11.1,<2.0
     - python-xxhash >=3.6,<5.0
+    - biosim-schema >=1.0,<2.0
 
 test:
   imports:
diff --git a/pyproject.toml b/pyproject.toml
index b643032..1113239 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ dependencies = [
     "rdkit>=2025.9.5",
     "linkml==1.11.1",
     "xxhash>=3.6,<5",
-    "biosim_schema>=1.0,<2.0",
+    "biosim-schema>=1.0,<2.0",
 ]
 
 [project.urls]