diff --git a/ms2rescore/__init__.py b/ms2rescore/__init__.py
index 1c5f401..6e2d98c 100644
--- a/ms2rescore/__init__.py
+++ b/ms2rescore/__init__.py
@@ -1,6 +1,6 @@
 """MS²Rescore: Sensitive PSM rescoring with predicted MS² peak intensities and RTs."""
 
-__version__ = "3.1.4"
+__version__ = "3.1.5"
 
 from warnings import filterwarnings
 
diff --git a/ms2rescore/feature_generators/deeplc.py b/ms2rescore/feature_generators/deeplc.py
index c6f6ac2..b31eae6 100644
--- a/ms2rescore/feature_generators/deeplc.py
+++ b/ms2rescore/feature_generators/deeplc.py
@@ -128,9 +128,9 @@ def add_features(self, psm_list: PSMList) -> None:
             for run, psms in runs.items():
                 peptide_rt_diff_dict = defaultdict(
                     lambda: {
-                        "observed_retention_time_best": np.Inf,
-                        "predicted_retention_time_best": np.Inf,
-                        "rt_diff_best": np.Inf,
+                        "observed_retention_time_best": np.inf,
+                        "predicted_retention_time_best": np.inf,
+                        "rt_diff_best": np.inf,
                     }
                 )
                 logger.info(