diff --git a/CHANGELOG.md b/CHANGELOG.md
index efd7bb67..64a1a8fd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 <!--next-version-placeholder-->
 
+## v0.11.1 (2023-03-21)
+### Fix
+* **core/pecha:** Make  arg optional ([`67fd90b`](https://github.com/OpenPecha/Toolkit/commit/67fd90bffeab0a44abb0ff488998867c560be08c))
+
 ## v0.11.0 (2023-03-17)
 ### Feature
 * **elan:** Initial implementation of elan serializer ([`3f8cd41`](https://github.com/OpenPecha/Toolkit/commit/3f8cd41a115e8b9cff667e0e94b2dc02a8b6032f))
diff --git a/openpecha/__init__.py b/openpecha/__init__.py
index 3c663fba..37ce27f5 100644
--- a/openpecha/__init__.py
+++ b/openpecha/__init__.py
@@ -1,2 +1,2 @@
 # Version of openpecha-toolkit package
-__version__ = "0.11.0"
+__version__ = "0.11.1"