diff --git a/poetry.lock b/poetry.lock
index cf3bd0e..07764b9 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -607,18 +607,21 @@ zstd = ["zstandard (>=0.18.0)"]
 
 [[package]]
 name = "icalendar"
-version = "5.0.13"
+version = "6.1.0"
 description = "iCalendar parser/generator"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "icalendar-5.0.13-py3-none-any.whl", hash = "sha256:5ded5415e2e1edef5ab230024a75878a7a81d518a3b1ae4f34bf20b173c84dc2"},
-    {file = "icalendar-5.0.13.tar.gz", hash = "sha256:92799fde8cce0b61daa8383593836d1e19136e504fa1671f471f98be9b029706"},
+    {file = "icalendar-6.1.0-py3-none-any.whl", hash = "sha256:46c09b774a6e6948495dafcb166dc15135c8259d0ae25491f154cbc822714b69"},
+    {file = "icalendar-6.1.0.tar.gz", hash = "sha256:43c2db8632959d634f4e48f6e6131e706bf2cdddad488cf0b72fda079b796bad"},
 ]
 
 [package.dependencies]
 python-dateutil = "*"
-pytz = "*"
+tzdata = "*"
+
+[package.extras]
+test = ["coverage", "hypothesis", "pytest", "pytz"]
 
 [[package]]
 name = "idna"
@@ -1513,17 +1516,6 @@ files = [
 [package.dependencies]
 six = ">=1.5"
 
-[[package]]
-name = "pytz"
-version = "2024.2"
-description = "World timezone definitions, modern and historical"
-optional = false
-python-versions = "*"
-files = [
-    {file = "pytz-2024.2-py2.py3-none-any.whl", hash = "sha256:31c7c1817eb7fae7ca4b8c7ee50c72f93aa2dd863de768e1ef4245d426aa0725"},
-    {file = "pytz-2024.2.tar.gz", hash = "sha256:2aa355083c50a0f93fa581709deac0c9ad65cca8a9e9beac660adcbd493c798a"},
-]
-
 [[package]]
 name = "pyyaml"
 version = "6.0.2"
@@ -1871,6 +1863,17 @@ files = [
     {file = "typing_extensions-4.12.2.tar.gz", hash = "sha256:1a7ead55c7e559dd4dee8856e3a88b41225abfe1ce8df57b7c13915fe121ffb8"},
 ]
 
+[[package]]
+name = "tzdata"
+version = "2024.2"
+description = "Provider of IANA time zone data"
+optional = false
+python-versions = ">=2"
+files = [
+    {file = "tzdata-2024.2-py2.py3-none-any.whl", hash = "sha256:a48093786cdcde33cad18c2555e8532f34422074448fbc874186f0abd79565cd"},
+    {file = "tzdata-2024.2.tar.gz", hash = "sha256:7d85cc416e9382e69095b7bdf4afd9e3880418a2413feec7069d533d6b4e31cc"},
+]
+
 [[package]]
 name = "urllib3"
 version = "2.3.0"
@@ -1986,4 +1989,4 @@ openai = ["openai"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.9"
-content-hash = "32258dcba7bddfb46477f4f15743b8e4df8b4f27b2baf246c97ce79f130fc268"
+content-hash = "cddec042367bb63760aecbe89f65638d112b7ef3025ed2a475331b8cfd1e3067"
diff --git a/pyproject.toml b/pyproject.toml
index 45cb195..8dbf189 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ include = [
 python = "^3.9"
 click = ">=7.1, <9.0"
 pydantic = ">=1.10.4,<3"
-icalendar = "^5.0.0"
+icalendar = "^6.0.0"
 bs4 = "^0.0.2"
 lxml = {version = ">= 4.6.2, < 6"}
 geopy = "^2.1.0"