diff --git a/poetry.lock b/poetry.lock
index d59fb35..ee31f13 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -152,7 +152,7 @@ uritemplate = ">=3.0.1,<5"
 
 [[package]]
 name = "google-auth"
-version = "2.6.2"
+version = "2.6.6"
 description = "Google Authentication Library"
 category = "main"
 optional = false
@@ -529,7 +529,7 @@ testing = ["pytest (>=6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "10985014544fd8734e496fcbd6da53c57f0ac62276fd6941e8e03b7f4fb3e8e4"
+content-hash = "55b003ad31cf10943584fae2fe2769325d88918081e965691bfb6dfaabfc2313"
 
 [metadata.files]
 atomicwrites = [
@@ -601,8 +601,8 @@ google-api-python-client = [
     {file = "google_api_python_client-2.42.0-py2.py3-none-any.whl", hash = "sha256:303f5e7005b26e5ca4d2f04489545cdc482ca558e8932e528217e11127c17cd8"},
 ]
 google-auth = [
-    {file = "google-auth-2.6.2.tar.gz", hash = "sha256:60d449f8142c742db760f4c0be39121bc8d9be855555d784c252deaca1ced3f5"},
-    {file = "google_auth-2.6.2-py2.py3-none-any.whl", hash = "sha256:3ba4d63cb29c1e6d5ffcc1c0623c03cf02ede6240a072f213084749574e691ab"},
+    {file = "google-auth-2.6.6.tar.gz", hash = "sha256:1ba4938e032b73deb51e59c4656a00e0939cf0b1112575099f136babb4563312"},
+    {file = "google_auth-2.6.6-py2.py3-none-any.whl", hash = "sha256:349ac49b18b01019453cc99c11c92ed772739778c92f184002b7ab3a5b7ac77d"},
 ]
 google-auth-httplib2 = [
     {file = "google-auth-httplib2-0.1.0.tar.gz", hash = "sha256:a07c39fd632becacd3f07718dfd6021bf396978f03ad3ce4321d060015cc30ac"},
diff --git a/pyproject.toml b/pyproject.toml
index a9efc3d..1ac096f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ classifiers = [
 
 [tool.poetry.dependencies]
 python = "^3.7"
-google-auth = "2.6.2"
+google-auth = "2.6.6"
 google-api-python-client = "2.42.0"
 icalendar = "4.0.9"
 pytz = "2022.1"