diff --git a/poetry.lock b/poetry.lock
index 164d477..369ac62 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -327,13 +327,13 @@ uritemplate = ">=3.0.1,<5"
 
 [[package]]
 name = "google-auth"
-version = "2.25.2"
+version = "2.27.0"
 description = "Google Authentication Library"
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "google-auth-2.25.2.tar.gz", hash = "sha256:42f707937feb4f5e5a39e6c4f343a17300a459aaf03141457ba505812841cc40"},
-    {file = "google_auth-2.25.2-py2.py3-none-any.whl", hash = "sha256:473a8dfd0135f75bb79d878436e568f2695dce456764bf3a02b6f8c540b1d256"},
+    {file = "google-auth-2.27.0.tar.gz", hash = "sha256:e863a56ccc2d8efa83df7a80272601e43487fa9a728a376205c86c26aaefa821"},
+    {file = "google_auth-2.27.0-py2.py3-none-any.whl", hash = "sha256:8e4bad367015430ff253fe49d500fdc3396c1a434db5740828c728e45bcce245"},
 ]
 
 [package.dependencies]
@@ -1416,4 +1416,4 @@ testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "p
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "b1e90935d082fbb6448bd2b5b1ad218576816a11ba19bdb751b3efe0f36e3437"
+content-hash = "fc6af503aa9618b6d5dc0e69ab7a54090963362e0c83c30baccbd0e51af0b527"
diff --git a/pyproject.toml b/pyproject.toml
index 64effd2..c1026f4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ classifiers = [
 
 [tool.poetry.dependencies]
 python = "^3.8"
-google-auth = "2.25.2"
+google-auth = "2.27.0"
 google-api-python-client = "2.111.0"
 icalendar = "5.0.11"
 pytz = "2023.4"