diff --git a/virtualizarr/writers/icechunk.py b/virtualizarr/writers/icechunk.py
index e1b5dbfb..76582e48 100644
--- a/virtualizarr/writers/icechunk.py
+++ b/virtualizarr/writers/icechunk.py
@@ -10,7 +10,7 @@
 from virtualizarr.zarr import encode_dtype
 
 if TYPE_CHECKING:
-    from icechunk import IcechunkStore
+    from icechunk import IcechunkStore  # type: ignore[import-not-found]
 
 
 VALID_URI_PREFIXES = {
@@ -155,7 +155,7 @@ def write_manifest_virtual_refs(
             "c_index",  # TODO is "c_index" correct? what's the convention for zarr chunk keys?
         ],
         op_flags=[["readonly"]] * 3,  # type: ignore
-    )
+    ) # type: ignore
     for path, offset, length in it:
         index = it.multi_index
         chunk_key = "/".join(str(i) for i in index)
diff --git a/virtualizarr/zarr.py b/virtualizarr/zarr.py
index a222a788..966c76b1 100644
--- a/virtualizarr/zarr.py
+++ b/virtualizarr/zarr.py
@@ -157,7 +157,9 @@ def _v3_codec_pipeline(self) -> Any:
         ```
         """
         try:
-            from zarr.core.metadata.v3 import parse_codecs
+            from zarr.core.metadata.v3 import (
+                parse_codecs,
+            )  # type: ignore[import-untyped]
         except ImportError:
             raise ImportError("zarr v3 is required to generate v3 codec pipelines")