diff --git a/compose_runner/run.py b/compose_runner/run.py
index 341f428..4b80537 100644
--- a/compose_runner/run.py
+++ b/compose_runner/run.py
@@ -232,6 +232,7 @@ def apply_filter(self, studyset, annotation):
 
             reference_studyset = Studyset(reference_studyset_dict)
 
+            del reference_studyset_dict
             # get study ids from studyset
             study_ids = set([s.id for s in studyset.studies])
 
diff --git a/compose_runner/tests/test_run.py b/compose_runner/tests/test_run.py
index 6413261..d1be9bf 100644
--- a/compose_runner/tests/test_run.py
+++ b/compose_runner/tests/test_run.py
@@ -54,3 +54,11 @@ def test_run_string_group_comparison_workflow():
 #         meta_analysis_id="4WELjap2yCJm",
 #     )
 #     runner.run_workflow()
+
+
+# @pytest.mark.vcr(record_mode="once")
+# def test_mkdachis_comparison_workflow():
+#     runner = Runner(
+#         meta_analysis_id="6Grzwzs3t7YB",
+#     )
+#     runner.run_workflow()
diff --git a/pyproject.toml b/pyproject.toml
index b97e9cd..712aec5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ classifiers = [
     "Programming Language :: Python :: 3",
 ]
 dynamic = ["version"]
-dependencies = ["nimare==0.2.0", "click"]
+dependencies = ["nimare==0.2.1rc1", "click"]
 
 [project.urls]
 Repository = "https://github.com/neurostuff/compose-runner"
diff --git a/requirements.txt b/requirements.txt
index 1a0de81..aca69b9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-nimare==0.2.0
+nimare==0.2.1rc1
 click