diff --git a/virtualizarr/manifests/manifest.py b/virtualizarr/manifests/manifest.py
index 9cb25177..530ce17c 100644
--- a/virtualizarr/manifests/manifest.py
+++ b/virtualizarr/manifests/manifest.py
@@ -70,7 +70,7 @@ class ChunkManifest:
     so it's not possible to have a ChunkManifest object that does not represent a valid grid of chunks.
     """
 
-    _paths: np.ndarray[Any, np.dtypes.StringDType]
+    _paths: np.ndarray[Any, np.dtypes.StringDType]  # type: ignore[name-defined]
     _offsets: np.ndarray[Any, np.dtype[np.int32]]
     _lengths: np.ndarray[Any, np.dtype[np.int32]]
 
@@ -99,7 +99,7 @@ def __init__(self, entries: dict) -> None:
         shape = get_chunk_grid_shape(entries.keys())
 
         # Initializing to empty implies that entries with path='' are treated as missing chunks
-        paths = np.empty(shape=shape, dtype=np.dtypes.StringDType())
+        paths = np.empty(shape=shape, dtype=np.dtypes.StringDType())  # type: ignore[attr-defined]
         offsets = np.empty(shape=shape, dtype=np.dtype("int32"))
         lengths = np.empty(shape=shape, dtype=np.dtype("int32"))
 
@@ -127,7 +127,7 @@ def __init__(self, entries: dict) -> None:
     @classmethod
     def from_arrays(
         cls,
-        paths: np.ndarray[Any, np.dtype[np.dtypes.StringDType]],
+        paths: np.ndarray[Any, np.dtype[np.dtypes.StringDType]],  # type: ignore[name-defined]
         offsets: np.ndarray[Any, np.dtype[np.int32]],
         lengths: np.ndarray[Any, np.dtype[np.int32]],
     ) -> "ChunkManifest":
@@ -157,7 +157,7 @@ def from_arrays(
             )
 
         # check dtypes
-        if paths.dtype != np.dtypes.StringDType():
+        if paths.dtype != np.dtypes.StringDType():  # type: ignore[attr-defined]
             raise ValueError(
                 f"paths array must have a numpy variable-length string dtype, but got dtype {paths.dtype}"
             )
diff --git a/virtualizarr/zarr.py b/virtualizarr/zarr.py
index dbba794a..22b46ffb 100644
--- a/virtualizarr/zarr.py
+++ b/virtualizarr/zarr.py
@@ -109,7 +109,7 @@ def replace(
         compressor: Optional[str] = None,
         dtype: Optional[np.dtype] = None,
         fill_value: Optional[float] = None,  # float or int?
-        filters: Optional[list[dict]] = None,
+        filters: Optional[list[dict]] = None,  # type: ignore[valid-type]
         order: Optional[Literal["C"] | Literal["F"]] = None,
         shape: Optional[tuple[int, ...]] = None,
         zarr_format: Optional[Literal[2] | Literal[3]] = None,