diff --git a/project/conftest.py b/project/conftest.py
index 8398add7..b8bc9564 100644
--- a/project/conftest.py
+++ b/project/conftest.py
@@ -55,6 +55,7 @@
 from __future__ import annotations
 
 import copy
+import functools
 import operator
 import os
 import shlex
@@ -81,6 +82,8 @@
 from hydra import compose, initialize_config_module
 from hydra.conf import HydraHelpConf
 from hydra.core.hydra_config import HydraConfig
+from hydra_plugins.auto_schema import auto_schema_plugin
+from hydra_plugins.auto_schema.auto_schema_plugin import add_schemas_to_all_hydra_configs
 from omegaconf import DictConfig, open_dict
 from torch import Tensor
 from torch.utils.data import DataLoader
@@ -115,6 +118,11 @@
 DEFAULT_TIMEOUT = 1.0
 DEFAULT_SEED = 42
 
+# Note: Here we attempt to make this happen only once.
+auto_schema_plugin.add_schemas_to_all_hydra_configs = functools.cache(
+    add_schemas_to_all_hydra_configs
+)
+
 
 @pytest.fixture(autouse=True)
 def original_datadir(original_datadir: Path):