diff --git a/pyproject.toml b/pyproject.toml
index 8ba6df0..628cd1f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "pywidevine"
-version = "1.3.1"
+version = "1.4.0"
 description = "Widevine CDM (Content Decryption Module) implementation in Python."
 authors = ["rlaphoenix <rlaphoenix@pm.me>"]
 license = "GPL-3.0-only"
diff --git a/pywidevine/__init__.py b/pywidevine/__init__.py
index 9c73af2..3e8d9f9 100644
--- a/pywidevine/__init__.py
+++ b/pywidevine/__init__.py
@@ -1 +1 @@
-__version__ = "1.3.1"
+__version__ = "1.4.0"