diff --git a/pkgs/development/python-modules/ftputil/default.nix b/pkgs/development/python-modules/ftputil/default.nix
index d3d338a2c8d34a..5e367644a1c8d3 100644
--- a/pkgs/development/python-modules/ftputil/default.nix
+++ b/pkgs/development/python-modules/ftputil/default.nix
@@ -13,10 +13,11 @@ buildPythonPackage rec {
 
   checkPhase = ''
     touch Makefile
-    # Disable tests that require network access or access /home
+    # Disable tests that require network access or access /home or assume execution before year 2020
     py.test test \
       -k "not test_public_servers and not test_real_ftp \
-          and not test_set_parser and not test_repr"
+          and not test_set_parser and not test_repr \
+          and not test_conditional_upload and not test_conditional_download_with_older_target"
   '';
 
   meta = with lib; {