diff --git a/pkgs/by-name/te/tealdeer/package.nix b/pkgs/by-name/te/tealdeer/package.nix
index 485e366796b4..38f7b49826ca 100644
--- a/pkgs/by-name/te/tealdeer/package.nix
+++ b/pkgs/by-name/te/tealdeer/package.nix
@@ -28,17 +28,9 @@ rustPlatform.buildRustPackage rec {
   '';
 
   # Disable tests that require Internet access:
-  checkFlags = [
-    "--skip test_autoupdate_cache"
-    "--skip test_create_cache_directory_path"
-    "--skip test_pager_flag_enable"
-    "--skip test_quiet_cache"
-    "--skip test_quiet_failures"
-    "--skip test_quiet_old_cache"
-    "--skip test_spaces_find_command"
-    "--skip test_update_cache"
-    "--skip test_update_language_arg"
-  ];
+  checkFeatures = [ "ignore-online-tests" ];
+  # tealdeer requires --test-threads=1
+  dontUseCargoParallelTests = true;
 
   meta = with lib; {
     description = "Very fast implementation of tldr in Rust";