diff --git a/pyproject.toml b/pyproject.toml
index 8c13ffd..86a488d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "mdevaluate"
-version = "24.02"
+version = "24.06"
 dependencies = [
     "mdanalysis",
     "pandas",
diff --git a/src/mdevaluate/utils.py b/src/mdevaluate/utils.py
index cf21285..9cee2c1 100644
--- a/src/mdevaluate/utils.py
+++ b/src/mdevaluate/utils.py
@@ -177,7 +177,7 @@ def coherent_sum(
     func: Callable[[ArrayLike, ArrayLike], float],
     coord_a: ArrayLike,
     coord_b: ArrayLike,
-) -> float:
+) -> NDArray:
     """
     Perform a coherent sum over two arrays :math:`A, B`.