diff --git a/upath/tests/implementations/test_s3.py b/upath/tests/implementations/test_s3.py
index a7fcc5ad..226324e0 100644
--- a/upath/tests/implementations/test_s3.py
+++ b/upath/tests/implementations/test_s3.py
@@ -170,6 +170,7 @@ def test_pathlib_consistent_join():
 
 
 def test_copy__object_key_collides_with_dir_prefix(s3_server, tmp_path):
+    pytest.importorskip("s3fs")
     anon, s3so = s3_server
 
     s3 = fsspec.filesystem("s3", anon=anon, **{**s3so, "use_listings_cache": False})
diff --git a/upath/tests/test_relative.py b/upath/tests/test_relative.py
index 8d71bb45..266b610e 100644
--- a/upath/tests/test_relative.py
+++ b/upath/tests/test_relative.py
@@ -35,6 +35,10 @@ def test_protocol_storage_options_fs_preserved(protocol, storage_options, path,
 
     assert rel.protocol == protocol
     assert dict(**rel.storage_options) == storage_options
+    try:
+        rel.fs
+    except ImportError:
+        pytest.skip(reason=f"{protocol} not available")
     assert isinstance(rel.fs, type(p.fs))