diff --git a/sdks/python/apache_beam/io/gcp/gcsfilesystem.py b/sdks/python/apache_beam/io/gcp/gcsfilesystem.py
index 3763e21abc9f..9133e8429890 100644
--- a/sdks/python/apache_beam/io/gcp/gcsfilesystem.py
+++ b/sdks/python/apache_beam/io/gcp/gcsfilesystem.py
@@ -34,7 +34,11 @@
 from apache_beam.io.filesystem import CompressionTypes
 from apache_beam.io.filesystem import FileMetadata
 from apache_beam.io.filesystem import FileSystem
-from apache_beam.io.gcp import gcsio
+
+try:
+  from apache_beam.io.gcp import gcsio
+except ImportError:
+  gcsio = None  # type: ignore[assignment]
 
 __all__ = ['GCSFileSystem']
 
@@ -43,13 +47,17 @@ class GCSFileSystem(FileSystem):
   """A GCS ``FileSystem`` implementation for accessing files on GCS.
   """
 
-  CHUNK_SIZE = gcsio.MAX_BATCH_OPERATION_SIZE  # Chuck size in batch operations
   GCS_PREFIX = 'gs://'
 
   def __init__(self, pipeline_options):
     super().__init__(pipeline_options)
     self._pipeline_options = pipeline_options
 
+  @property
+  def CHUNK_SIZE(self):
+    """Chunk size in batch operations."""
+    return self._gcsIO().MAX_BATCH_OPERATION_SIZE
+
   @classmethod
   def scheme(cls):
     """URI scheme for the FileSystem
@@ -371,7 +379,7 @@ def delete(self, paths):
   def report_lineage(self, path, lineage):
     try:
       components = gcsio.parse_gcs_path(path, object_optional=True)
-    except ValueError:
+    except (ValueError, AttributeError):
       # report lineage is fail-safe
       traceback.print_exc()
       return
diff --git a/sdks/python/apache_beam/io/gcp/gcsfilesystem_test.py b/sdks/python/apache_beam/io/gcp/gcsfilesystem_test.py
index 08fdd6302887..578745e42bbe 100644
--- a/sdks/python/apache_beam/io/gcp/gcsfilesystem_test.py
+++ b/sdks/python/apache_beam/io/gcp/gcsfilesystem_test.py
@@ -48,6 +48,14 @@ def test_scheme(self):
     self.assertEqual(self.fs.scheme(), 'gs')
     self.assertEqual(gcsfilesystem.GCSFileSystem.scheme(), 'gs')
 
+  @mock.patch('apache_beam.io.gcp.gcsfilesystem.gcsio', None)
+  def test_get_filesystem_does_not_require_gcp_extra(self):
+    # Verifies that GCSFileSystem can be looked up without GCP deps installed.
+    # GCP dependency errors should only be raised at usage time, not lookup.
+    from apache_beam.io.filesystems import FileSystems
+    fs = FileSystems.get_filesystem('gs://test-bucket/path')
+    self.assertEqual(fs.scheme(), 'gs')
+
   def test_join(self):
     self.assertEqual(
         'gs://bucket/path/to/file',