diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5a91183ab..77f88f2e6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,6 +25,7 @@
 - PR #421 Capture thread id in logging and improve logger testing
 - PR #426 Added multi-threaded support to replay benchmark.
 - PR #435 Update conda upload versions for new supported CUDA/Python
+- PR #437 Test with `pickle5` (for older Python versions)
 
 ## Bug Fixes
 
diff --git a/python/rmm/tests/test_rmm.py b/python/rmm/tests/test_rmm.py
index 3f4051738..5411ecf45 100644
--- a/python/rmm/tests/test_rmm.py
+++ b/python/rmm/tests/test_rmm.py
@@ -1,6 +1,5 @@
 # Copyright (c) 2020, NVIDIA CORPORATION.
 
-import pickle
 import sys
 import tempfile
 from itertools import product
@@ -11,6 +10,14 @@
 
 import rmm
 
+if sys.version_info < (3, 8):
+    try:
+        import pickle5 as pickle
+    except ImportError:
+        import pickle
+else:
+    import pickle
+
 cuda.set_memory_manager(rmm.RMMNumbaManager)