diff --git a/pyproject.toml b/pyproject.toml
index 8356b3f..f758bfe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,6 +47,7 @@ dependencies = [
     "pandas>=1",
     "plotly>=5",
     "psm_utils>=1.1",
+    "pyopenms>=3.0,<3.2",  # See openms/openms#7600
     "pyteomics>=4.7.2",
     "rich>=12",
     "tomli>=2; python_version < '3.11'",