diff --git a/python/lsst/pipe/tasks/functors.py b/python/lsst/pipe/tasks/functors.py
index 1a96da20c..1340809e5 100644
--- a/python/lsst/pipe/tasks/functors.py
+++ b/python/lsst/pipe/tasks/functors.py
@@ -58,6 +58,7 @@
 from astropy.coordinates import SkyCoord
 from lsst.daf.butler import DeferredDatasetHandle
 from lsst.pipe.base import InMemoryDatasetHandle
+from lsst.resources import ResourcePath
 from lsst.utils import doImport
 from lsst.utils.introspection import get_full_type_name
 
@@ -548,7 +549,7 @@ def renameCol(cls, col, renameRules):
     def from_file(cls, filename, **kwargs):
         # Allow environment variables in the filename.
         filename = os.path.expandvars(filename)
-        with open(filename) as f:
+        with ResourcePath(filename).open("r") as f:
             translationDefinition = yaml.safe_load(f)
 
         return cls.from_yaml(translationDefinition, **kwargs)
diff --git a/tests/test_promptSourceSchema.py b/tests/test_promptSourceSchema.py
index 2586c166d..fc06d7f29 100644
--- a/tests/test_promptSourceSchema.py
+++ b/tests/test_promptSourceSchema.py
@@ -33,13 +33,13 @@
 import importlib.resources
 
 import lsst.utils.tests
-from lsst.utils import getPackageDir
+from lsst.resources import ResourcePath
 
 from lsst.pipe.tasks.postprocess import TransformSourceTableTask, TransformSourceTableConfig
 from lsst.pipe.tasks.schemaUtils import readSdmSchemaFile
 from lsst.pipe.tasks.split_primary import SplitPrimaryTask
 
-FUNCTOR_FILE = os.path.join(getPackageDir("pipe_tasks"), "schemas", "prompt_source.yaml")
+FUNCTOR_FILE = ResourcePath("eups://pipe_tasks/schemas/prompt_source.yaml")
 
 SCHEMA_FILE = importlib.resources.files("lsst.sdm.schemas") / "ap_extra.yaml"
 TABLE_NAME = "PromptSource"
@@ -64,8 +64,9 @@ def setUpClass(cls):
         cls.schemaColumns = {column.name for column in schema[TABLE_NAME].columns}
 
         config = TransformSourceTableConfig()
-        config.functorFile = FUNCTOR_FILE
-        transformTask = TransformSourceTableTask(config=config)
+        with FUNCTOR_FILE.as_local() as local:
+            config.functorFile = local.ospath
+            transformTask = TransformSourceTableTask(config=config)
         producedColumns = set(transformTask.funcs.funcDict) | set(config.columnsFromDataId)
 
         # The final prompt_source table is output by splitPromptSource, which is configured
diff --git a/ups/pipe_tasks.table b/ups/pipe_tasks.table
index f2fa3b1a7..2c4dd7912 100644
--- a/ups/pipe_tasks.table
+++ b/ups/pipe_tasks.table
@@ -29,6 +29,7 @@ setupRequired(utils)
 setupRequired(verify)
 setupRequired(rubinoxide)
 setupRequired(cell_coadds)
+setupRequired(resources)
 
 envPrepend(PYTHONPATH, ${PRODUCT_DIR}/python)
 envPrepend(PATH, ${PRODUCT_DIR}/bin)