diff --git a/pyproject.toml b/pyproject.toml
index 394fd2429524..8041b4a712d1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -143,7 +143,7 @@ bigquery = [
     # 1.17.1 is likely the final release: googleapis/python-bigquery-sqlalchemy
     # was archived 2026-05-16. Both 1.17.0 and 1.17.1 support SQLAlchemy 1.4/2.0.
     "sqlalchemy-bigquery>=1.17.1",
-    "google-cloud-bigquery>=3.42.2",
+    "google-cloud-bigquery>=3.42.3",
 ]
 clickhouse = ["clickhouse-connect>=1.6.0, <2.0"]
 cockroachdb = ["cockroachdb>=0.3.5, <0.4"]
diff --git a/requirements/development.txt b/requirements/development.txt
index 1c7b7dfde181..ed9f5052c7eb 100644
--- a/requirements/development.txt
+++ b/requirements/development.txt
@@ -363,7 +363,7 @@ google-auth-oauthlib==1.2.1
     # via
     #   pandas-gbq
     #   pydata-google-auth
-google-cloud-bigquery==3.42.2
+google-cloud-bigquery==3.43.0
     # via
     #   apache-superset
     #   pandas-gbq