diff --git a/pyproject.toml b/pyproject.toml
index 1327ea48f..2ae4320c3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ dependencies = [
   "alembic==1.14.1",
   "argparse==1.4.0",
   "filelock==3.25.2",
-  "google-cloud-bigquery==3.41.0",
+  "google-cloud-bigquery==3.42.0",
   "gspread==6.2.1",
   "humanize>=0.5.1",
   "icalendar==6.3.2",
diff --git a/uv.lock b/uv.lock
index 1fcecf8cc..e3a084399 100644
--- a/uv.lock
+++ b/uv.lock
@@ -86,7 +86,7 @@ requires-dist = [
     { name = "coverage", marker = "extra == 'dev'", specifier = "==7.13.5" },
     { name = "coveralls", marker = "extra == 'test'", specifier = "==4.1.0" },
     { name = "filelock", specifier = "==3.25.2" },
-    { name = "google-cloud-bigquery", specifier = "==3.41.0" },
+    { name = "google-cloud-bigquery", specifier = "==3.42.0" },
     { name = "gspread", specifier = "==6.2.1" },
     { name = "humanize", specifier = ">=0.5.1" },
     { name = "icalendar", specifier = "==6.3.2" },
@@ -434,6 +434,11 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/4a/c9/db44165ba7c581268c6d46017ef63339110378305062830104fc7fa144cb/google_auth-2.53.0-py3-none-any.whl", hash = "sha256:6e7449917c599b35126a99ec268ec6880301f2fea41dce198fe8fd83ff642b68", size = 246071, upload-time = "2026-05-15T20:53:05.609Z" },
 ]
 
+[package.optional-dependencies]
+pyopenssl = [
+    { name = "pyopenssl" },
+]
+
 [[package]]
 name = "google-auth-oauthlib"
 version = "1.2.2"
@@ -449,20 +454,20 @@ wheels = [
 
 [[package]]
 name = "google-cloud-bigquery"
-version = "3.41.0"
+version = "3.42.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "google-api-core", extra = ["grpc"] },
-    { name = "google-auth" },
+    { name = "google-auth", extra = ["pyopenssl"] },
     { name = "google-cloud-core" },
     { name = "google-resumable-media" },
     { name = "packaging" },
     { name = "python-dateutil" },
     { name = "requests" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/ce/13/6515c7aab55a4a0cf708ffd309fb9af5bab54c13e32dc22c5acd6497193c/google_cloud_bigquery-3.41.0.tar.gz", hash = "sha256:2217e488b47ed576360c9b2cc07d59d883a54b83167c0ef37f915c26b01a06fe", size = 513434, upload-time = "2026-03-30T22:50:55.347Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/97/a6/3d40767763061323d70ecf1870d9d5f428ee6a7e66f7b6e7297ee17f8b30/google_cloud_bigquery-3.42.0.tar.gz", hash = "sha256:4491a75f82d905101e75b690ca4c6791984bf4f50653706747537b05baa90213", size = 514647, upload-time = "2026-06-15T22:55:34.21Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/40/33/1d3902efadef9194566d499d61507e1f038454e0b55499d2d7f8ab2a4fee/google_cloud_bigquery-3.41.0-py3-none-any.whl", hash = "sha256:2a5b5a737b401cbd824a6e5eac7554100b878668d908e6548836b5d8aaa4dcaa", size = 262343, upload-time = "2026-03-30T22:48:45.444Z" },
+    { url = "https://files.pythonhosted.org/packages/a5/27/6ab5688744a08c15770ad10a4e430b16365f3ff95d9a59e565d47ce27175/google_cloud_bigquery-3.42.0-py3-none-any.whl", hash = "sha256:9df6a73043363cad17000c29591ed829be5f630ec30b85b29bc29062ab8b19a4", size = 263751, upload-time = "2026-06-15T22:55:32.352Z" },
 ]
 
 [[package]]
@@ -983,6 +988,19 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/f4/7e/a72dd26f3b0f4f2bf1dd8923c85f7ceb43172af56d63c7383eb62b332364/pygments-2.20.0-py3-none-any.whl", hash = "sha256:81a9e26dd42fd28a23a2d169d86d7ac03b46e2f8b59ed4698fb4785f946d0176", size = 1231151, upload-time = "2026-03-29T13:29:30.038Z" },
 ]
 
+[[package]]
+name = "pyopenssl"
+version = "26.2.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "cryptography" },
+    { name = "typing-extensions" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/1a/51/27a5ad5f939d08f690a326ef9582cda7140555180db71695f6fb747d6a36/pyopenssl-26.2.0.tar.gz", hash = "sha256:8c6fcecd1183a7fc897548dfe388b0cdb7f37e018200d8409cf33959dbe35387", size = 182195, upload-time = "2026-05-04T23:06:09.72Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/73/b8/a0e2790ae249d6f38c9f66de7a211621a7ab2650217bcd04e1262f578a56/pyopenssl-26.2.0-py3-none-any.whl", hash = "sha256:4f9d971bc5298b8bc1fab282803da04bf000c755d4ad9d99b52de2569ca19a70", size = 55823, upload-time = "2026-05-04T23:06:08.395Z" },
+]
+
 [[package]]
 name = "pyproject-api"
 version = "1.10.1"