diff --git a/docs/conf.py b/docs/conf.py
index 6cfb5070..ab7b89c2 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -9,7 +9,7 @@
 
 project = "scores"
 copyright = "Licensed under Apache 2.0 - https://www.apache.org/licenses/LICENSE-2.0"
-release = "1.3.0"
+release = "1.4.0"
 
 version = __version__
 
diff --git a/src/scores/__init__.py b/src/scores/__init__.py
index 4239d5a9..4e0d6d32 100644
--- a/src/scores/__init__.py
+++ b/src/scores/__init__.py
@@ -13,7 +13,7 @@
 import scores.sample_data
 import scores.stats.statistical_tests  # noqa: F401
 
-__version__ = "1.3.0"
+__version__ = "1.4.0"
 
 __all__ = [
     "scores.categorical",