diff --git a/.changes/unreleased/Fixes-20240624-171729.yaml b/.changes/unreleased/Fixes-20240624-171729.yaml
new file mode 100644
index 00000000000..f121ac5aa8b
--- /dev/null
+++ b/.changes/unreleased/Fixes-20240624-171729.yaml
@@ -0,0 +1,6 @@
+kind: Fixes
+body: Fix setting `silence` of `warn_error_options` via `dbt_project.yaml` flags
+time: 2024-06-24T17:17:29.464865-07:00
+custom:
+  Author: QMalcolm
+  Issue: "10160"
diff --git a/core/dbt/cli/flags.py b/core/dbt/cli/flags.py
index 9d49d339543..709525894e7 100644
--- a/core/dbt/cli/flags.py
+++ b/core/dbt/cli/flags.py
@@ -55,6 +55,7 @@ def convert_config(config_name, config_value):
         ret = WarnErrorOptions(
             include=config_value.get("include", []),
             exclude=config_value.get("exclude", []),
+            silence=config_value.get("silence", []),
             valid_error_names=ALL_EVENT_NAMES,
         )
     return ret
diff --git a/tests/functional/configs/test_warn_error_options.py b/tests/functional/configs/test_warn_error_options.py
index 2363fc469fd..fd4438ecfae 100644
--- a/tests/functional/configs/test_warn_error_options.py
+++ b/tests/functional/configs/test_warn_error_options.py
@@ -52,9 +52,8 @@ def test_can_silence(self, project, catcher: EventCatcher, runner: dbtRunner) ->
         assert_deprecation_warning(result, catcher)
 
         catcher.flush()
-        runner.invoke(
-            ["run", "--warn-error-options", "{'include': 'all', 'silence': ['DeprecatedModel']}"]
-        )
+        result = runner.invoke(["run", "--warn-error-options", "{'silence': ['DeprecatedModel']}"])
+        assert result.success
         assert len(catcher.caught_events) == 0
 
     def test_can_raise_warning_to_error(
@@ -130,13 +129,12 @@ def test_can_silence(
         result = runner.invoke(["run"])
         assert_deprecation_warning(result, catcher)
 
-        silence_options = {
-            "flags": {"warn_error_options": {"include": "all", "silence": ["DeprecatedModel"]}}
-        }
+        silence_options = {"flags": {"warn_error_options": {"silence": ["DeprecatedModel"]}}}
         update_config_file(silence_options, project_root, "dbt_project.yml")
 
         catcher.flush()
-        runner.invoke(["run"])
+        result = runner.invoke(["run"])
+        assert result.success
         assert len(catcher.caught_events) == 0
 
     def test_can_raise_warning_to_error(