diff --git a/dbt-bigquery/.changes/unreleased/Dependencies-20250609-135552.yaml b/dbt-bigquery/.changes/unreleased/Dependencies-20250609-135552.yaml
new file mode 100644
index 000000000..814ed2092
--- /dev/null
+++ b/dbt-bigquery/.changes/unreleased/Dependencies-20250609-135552.yaml
@@ -0,0 +1,6 @@
+kind: Dependencies
+body: update the lower bound for dbt-adapters version in dbt-bigquery to >=1.16
+time: 2025-06-09T13:55:52.414339-07:00
+custom:
+  Author: colin-rogers-dbt
+  PR: "1148"
diff --git a/dbt-bigquery/pyproject.toml b/dbt-bigquery/pyproject.toml
index 662a63198..6a9847b32 100644
--- a/dbt-bigquery/pyproject.toml
+++ b/dbt-bigquery/pyproject.toml
@@ -24,7 +24,7 @@ classifiers = [
 ]
 dependencies = [
     "dbt-common>=1.10,<2.0",
-    "dbt-adapters>=1.7,<2.0",
+    "dbt-adapters>=1.16,<2.0",
     # 3.20 introduced pyarrow>=3.0 under the `pandas` extra
     "google-cloud-bigquery[pandas]>=3.0,<4.0",
     "google-cloud-storage>=2.4,<3.2",
diff --git a/dbt-snowflake/.changes/unreleased/Dependencies-20250609-135623.yaml b/dbt-snowflake/.changes/unreleased/Dependencies-20250609-135623.yaml
new file mode 100644
index 000000000..049758fed
--- /dev/null
+++ b/dbt-snowflake/.changes/unreleased/Dependencies-20250609-135623.yaml
@@ -0,0 +1,6 @@
+kind: Dependencies
+body: update the lower bound for dbt-adapters version in dbt-snowflake to >=1.16
+time: 2025-06-09T13:56:23.849857-07:00
+custom:
+  Author: colin-rogers-dbt
+  PR: "1148"
diff --git a/dbt-snowflake/pyproject.toml b/dbt-snowflake/pyproject.toml
index 7a10c4a3f..bfaa52ee1 100644
--- a/dbt-snowflake/pyproject.toml
+++ b/dbt-snowflake/pyproject.toml
@@ -24,7 +24,7 @@ classifiers = [
 ]
 dependencies = [
     "dbt-common>=1.10,<2.0",
-    "dbt-adapters>=1.14.3,<2.0",
+    "dbt-adapters>=1.16,<2.0",
     # lower bound pin due to CVE-2025-24794
     "snowflake-connector-python[secure-local-storage]>=3.13.1,<4.0.0",
     "certifi<2025.4.26",