diff --git a/Changes.rst b/Changes.rst
index bae06b5..4620a7e 100644
--- a/Changes.rst
+++ b/Changes.rst
@@ -1,3 +1,8 @@
+Changes for v3.1.1 (2023-04-08)
+===============================
+
+-  Add type attribute to XAdES signed properties reference (#224)
+
 Changes for v3.1.0 (2023-01-04)
 ===============================
 
diff --git a/setup.py b/setup.py
index f74b6d0..a870f84 100755
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 
 setup(
     name="signxml",
-    version="3.1.0",
+    version="3.1.1",
     url="https://github.com/kislyuk/signxml",
     license="Apache Software License",
     author="Andrey Kislyuk",