diff --git a/pkgs/development/python-modules/parquet/default.nix b/pkgs/development/python-modules/parquet/default.nix
index 6c5035e1669e..92e5e7764794 100644
--- a/pkgs/development/python-modules/parquet/default.nix
+++ b/pkgs/development/python-modules/parquet/default.nix
@@ -2,6 +2,7 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  fetchpatch,
   pytestCheckHook,
   python-snappy,
   pythonOlder,
@@ -23,6 +24,15 @@ buildPythonPackage rec {
     hash = "sha256-WVDffYKGsyepK4w1d4KUUMmxB6a6ylTbJvG79Bt5G6o=";
   };
 
+  patches = [
+    # Refactor deprecated unittest aliases, https://github.com/jcrobak/parquet-python/pull/83
+    (fetchpatch {
+      name = "unittest-aliases.patch";
+      url = "https://github.com/jcrobak/parquet-python/commit/746bebd1e84d8945a3491e1ae5e44102ff534592.patch";
+      hash = "sha256-4awxlzman/YMfOz1WYNR+mVn1ixGku9sqlaMJ1QITYs=";
+    })
+  ];
+
   build-system = [ setuptools ];
 
   dependencies = [