diff --git a/pyproject.toml b/pyproject.toml
index 5213e18..ad75f44 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ dependencies = [
     "pandas>=1.0",
     "plotly>=5",
     "psm_utils>=0.9",
-    "pyteomics>=4.1.0, <4.7",
+    "pyteomics>=4.7.2",
     "rich>=12",
     "tomli>=2; python_version < '3.11'",
 ]