diff --git a/pkgs/development/python-modules/eth-keys/default.nix b/pkgs/development/python-modules/eth-keys/default.nix
index 00029b7df05f..dac43e527cec 100644
--- a/pkgs/development/python-modules/eth-keys/default.nix
+++ b/pkgs/development/python-modules/eth-keys/default.nix
@@ -50,6 +50,8 @@ buildPythonPackage rec {
     "test_public_key_compression_is_equal"
     "test_public_key_decompression_is_equal"
     "test_signatures_with_high_s"
+    # timing sensitive
+    "test_encode_decode_pairings"
   ];
 
   pythonImportsCheck = [ "eth_keys" ];