diff --git a/CHANGELOG.md b/CHANGELOG.md
index 13801428..f93f8ad6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to the Nextcloud MCP Server will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [PEP 440](https://peps.python.org/pep-0440/).
 
+## v0.77.1 (2026-05-01)
+
+### Fix
+
+- **deps**: update dependency icalendar to >=7.1.0,<7.2.0
+
 ## v0.77.0 (2026-05-01)
 
 ### Feat
diff --git a/pyproject.toml b/pyproject.toml
index 15c986da..c892e96d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "nextcloud-mcp-server"
-version = "0.77.0"
+version = "0.77.1"
 description = "Model Context Protocol (MCP) server for Nextcloud integration - enables AI assistants to interact with Nextcloud data"
 authors = [
     {name = "Chris Coutinho", email = "chris@coutinho.io"}
diff --git a/uv.lock b/uv.lock
index 68dd86fa..08a8dbf2 100644
--- a/uv.lock
+++ b/uv.lock
@@ -2086,7 +2086,7 @@ wheels = [
 
 [[package]]
 name = "nextcloud-mcp-server"
-version = "0.77.0"
+version = "0.77.1"
 source = { editable = "." }
 dependencies = [
     { name = "aiosqlite" },