diff --git a/src/uwtools/config/formats/base.py b/src/uwtools/config/formats/base.py
index 854449e11..dd22d9880 100644
--- a/src/uwtools/config/formats/base.py
+++ b/src/uwtools/config/formats/base.py
@@ -234,10 +234,10 @@ def parse_include(self, ref_dict: Optional[dict] = None) -> None:
             elif isinstance(value, str):
                 if m := re.match(r"^\s*%s\s+(.*)" % INCLUDE_TAG, value):
                     filepaths = yaml.safe_load(m[1])
-                    self.update_values(self._load_paths(filepaths))
+                    self.update_from(self._load_paths(filepaths))
                     del ref_dict[key]
 
-    def update_values(self, src: Union[dict, Config]) -> None:
+    def update_from(self, src: Union[dict, Config]) -> None:
         """
         Updates a config.
 
diff --git a/src/uwtools/config/tools.py b/src/uwtools/config/tools.py
index dfda5b7cb..963b15313 100644
--- a/src/uwtools/config/tools.py
+++ b/src/uwtools/config/tools.py
@@ -246,7 +246,7 @@ def _realize_config_update(
         log.debug("Initial input config depth: %s", input_obj.depth)
         log.debug("Update config depth: %s", update_obj.depth)
         config_check_depths_update(update_obj, input_obj.get_format())
-        input_obj.update_values(update_obj)
+        input_obj.update_from(update_obj)
         log.debug("Final input config depth: %s", input_obj.depth)
     return input_obj
 
diff --git a/src/uwtools/drivers/driver.py b/src/uwtools/drivers/driver.py
index c84abb088..8ef4d8774 100644
--- a/src/uwtools/drivers/driver.py
+++ b/src/uwtools/drivers/driver.py
@@ -139,7 +139,7 @@ def _create_user_updated_config(
         user_values = config_values.get(STR.updatevalues, {})
         if base_file := config_values.get(STR.basefile):
             cfgobj = config_class(base_file)
-            cfgobj.update_values(user_values)
+            cfgobj.update_from(user_values)
             cfgobj.dereference()
             config = cfgobj.data
             dump = partial(cfgobj.dump, path)
diff --git a/src/uwtools/tests/config/formats/test_base.py b/src/uwtools/tests/config/formats/test_base.py
index fa2039b09..5d8bd2e14 100644
--- a/src/uwtools/tests/config/formats/test_base.py
+++ b/src/uwtools/tests/config/formats/test_base.py
@@ -201,7 +201,7 @@ def test_parse_include(config):
     assert len(config["config"]) == 2
 
 
-def test_update_values(config):
+def test_update_from(config):
     """
     Test that a config object can be updated.
     """
diff --git a/src/uwtools/tests/config/test_tools.py b/src/uwtools/tests/config/test_tools.py
index 2964dbe30..c80be3d6d 100644
--- a/src/uwtools/tests/config/test_tools.py
+++ b/src/uwtools/tests/config/test_tools.py
@@ -74,7 +74,7 @@ def help_realize_config_fmt2fmt(input_file, input_format, update_file, update_fo
     )
     cfgclass = tools.format_to_config(input_format)
     cfgobj = cfgclass(input_file)
-    cfgobj.update_values(cfgclass(update_file))
+    cfgobj.update_from(cfgclass(update_file))
     reference = tmpdir / f"expected{ext}"
     cfgobj.dump(reference)
     assert compare_files(reference, output_file)