diff --git a/Changes.rst b/Changes.rst
index b8aed6e..59cd183 100644
--- a/Changes.rst
+++ b/Changes.rst
@@ -1,3 +1,8 @@
+Changes for v4.0.1 (2024-08-30)
+===============================
+
+-  Verifier: Accept PyOpenSSL cert input, add deprecation warning
+
 Changes for v4.0.0 (2024-08-21)
 ===============================
 
diff --git a/setup.py b/setup.py
index fd00c2a..77eb358 100755
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 
 setup(
     name="signxml",
-    version="4.0.0",
+    version="4.0.1",
     url="https://github.com/kislyuk/signxml",
     license="Apache Software License",
     author="Andrey Kislyuk",