diff --git a/flydra_analysis/conftest.py b/flydra_analysis/conftest.py
new file mode 100644
index 00000000..cb094eb6
--- /dev/null
+++ b/flydra_analysis/conftest.py
@@ -0,0 +1,8 @@
+import numpy as np
+import pytest
+
+
+@pytest.fixture(scope="session", autouse=True)
+def set_numpy_printoptions():
+    np.set_printoptions(legacy="1.25")
+