diff --git a/phys2bids/tests/test_io.py b/phys2bids/tests/test_io.py
index cf18ce6ba..b0732c026 100644
--- a/phys2bids/tests/test_io.py
+++ b/phys2bids/tests/test_io.py
@@ -2,6 +2,8 @@
 
 import os
 import math
+import sys
+
 import numpy as np
 import pytest
 from pytest import raises
@@ -210,6 +212,10 @@ def test_load_gep_two_files_resp(ge_two_gep_files_resp, testpath):
     assert np.array_equal(gep_data2, phys_obj.timeseries[3])
 
 
+@pytest.mark.skipif(
+    sys.version_info < (3, 7) or sys.version_info > (3, 9),
+    reason="Requires python between 3.7 and 3.9"
+)
 def test_load_smr(spike2_smr_file, spike2_smrx_file):
     chtrig = 5