diff --git a/README.md b/README.md
index 709ce83..e6cb7af 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ NNS is built around partial moments, the lower and upper components of variance,
 |---|---|
 | Distribution package | `ovvo-nns` |
 | Import package | `nns` |
-| Current version | `1.3.0` |
+| Current version | `1.4.0` |
 | Python | `>=3.11` |
 | Required runtime dependencies | NumPy, SciPy |
 | R required at runtime | No |
diff --git a/pyproject.toml b/pyproject.toml
index a961bb1..b7f1cab 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "ovvo-nns"
-version = "1.3.0"
+version = "1.4.0"
 description = "Python port of nonlinear nonparametric statistics from R NNS"
 readme = "README.md"
 requires-python = ">=3.11"
diff --git a/src/nns/__init__.py b/src/nns/__init__.py
index 8882f54..419270c 100644
--- a/src/nns/__init__.py
+++ b/src/nns/__init__.py
@@ -4,7 +4,7 @@
 
 from nns.pm_matrix import pm_matrix as pm_matrix
 
-__version__ = "1.3.0"
+__version__ = "1.4.0"
 
 _EXPORTS = {
     "BoostResult": ("nns.boost", "BoostResult"),