diff --git a/neurokit2/complexity/utils_entropy.py b/neurokit2/complexity/utils_entropy.py
index dee79b3b2b..444dfd8aea 100644
--- a/neurokit2/complexity/utils_entropy.py
+++ b/neurokit2/complexity/utils_entropy.py
@@ -128,7 +128,7 @@ def _get_count(
     # -------------------
     # Sanity checks
     sklearn_version = version.parse(sklearn.__version__)
-    if sklearn_version == version.parse("1.3.0"):
+    if sklearn_version in [version.parse("1.3.0"), version.parse("1.3.0rc1")]:
         valid_metrics = sklearn.neighbors.KDTree.valid_metrics() + ["range"]
     else:
         valid_metrics = sklearn.neighbors.KDTree.valid_metrics + ["range"]