diff --git a/py_hamt/ipfszarr3.py b/py_hamt/ipfszarr3.py
index 92c198a..2480d8e 100644
--- a/py_hamt/ipfszarr3.py
+++ b/py_hamt/ipfszarr3.py
@@ -115,7 +115,12 @@ def supports_deletes(self) -> bool:
         return not self.hamt.read_only
 
     async def delete(self, key: str) -> None:
-        del self.hamt[key]
+        try:
+            del self.hamt[key]
+        # It's fine if the key was not in the HAMT
+        # Sometimes zarr v3 calls deletes on keys that don't exist (or have already been deleted) for some reason
+        except KeyError:
+            return
 
     @property
     def supports_listing(self) -> bool:
diff --git a/pyproject.toml b/pyproject.toml
index e01fa5c..9ce6ead 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "py-hamt"
-version = "2.4.0"
+version = "2.4.1"
 description = "HAMT implementation for an abstract backing store"
 readme = "README.md"
 requires-python = ">=3.12"
@@ -10,7 +10,7 @@ dependencies = [
     "multiformats[full]>=0.3.1.post4",
     "pycryptodome>=3.21.0",
     "requests>=2.32.3",
-    "zarr",
+    "zarr>=3.0.6",
 ]
 
 [build-system]
@@ -28,6 +28,6 @@ dev = [
     "snakeviz>=2.2.0",
     "pandas>=2.2.3",
     "numpy>=2.1.3",
-    "xarray>=2025.1.2",
     "pytest-asyncio>=0.25.3",
+    "xarray>=2025.3.0",
 ]
diff --git a/tests/test_zarr_ipfs.py b/tests/test_zarr_ipfs.py
index aa09b76..91d59ec 100644
--- a/tests/test_zarr_ipfs.py
+++ b/tests/test_zarr_ipfs.py
@@ -160,6 +160,8 @@ async def test_write_read(random_zarr_dataset: tuple[str, xr.Dataset]):
     # now remove that metadata file and then add it back
     ipfszarr3 = IPFSZarr3(ipfszarr3.hamt, read_only=False)  # make a writable version
     await ipfszarr3.delete("zarr.json")
+    # doing a duplicate delete should not result in an error
+    await ipfszarr3.delete("zarr.json")
     ipfszarr3_keys: set[str] = set()
     async for k in ipfszarr3.list():
         ipfszarr3_keys.add(k)
@@ -201,7 +203,8 @@ def test_encryption(random_zarr_dataset: tuple[str, xr.Dataset]):
 
     ds = xr.open_zarr(
         store=IPFSZarr3(
-            HAMT(store=IPFSStore(), root_node_id=hamt.root_node_id, read_only=True)
+            HAMT(store=IPFSStore(), root_node_id=ipfszarr3.hamt.root_node_id),
+            read_only=True,
         )
     )
     print(ds)
diff --git a/uv.lock b/uv.lock
index 893deed..4130fd7 100644
--- a/uv.lock
+++ b/uv.lock
@@ -609,7 +609,7 @@ wheels = [
 
 [[package]]
 name = "py-hamt"
-version = "2.4.0"
+version = "2.4.1"
 source = { editable = "." }
 dependencies = [
     { name = "dag-cbor" },
@@ -642,7 +642,7 @@ requires-dist = [
     { name = "multiformats", extras = ["full"], specifier = ">=0.3.1.post4" },
     { name = "pycryptodome", specifier = ">=3.21.0" },
     { name = "requests", specifier = ">=2.32.3" },
-    { name = "zarr" },
+    { name = "zarr", specifier = ">=3.0.6" },
 ]
 
 [package.metadata.requires-dev]
@@ -657,7 +657,7 @@ dev = [
     { name = "pytest-cov", specifier = ">=6.0.0" },
     { name = "ruff", specifier = ">=0.7.1" },
     { name = "snakeviz", specifier = ">=2.2.0" },
-    { name = "xarray", specifier = ">=2025.1.2" },
+    { name = "xarray", specifier = ">=2025.3.0" },
 ]
 
 [[package]]
@@ -1003,21 +1003,21 @@ wheels = [
 
 [[package]]
 name = "xarray"
-version = "2025.1.2"
+version = "2025.3.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "numpy" },
     { name = "packaging" },
     { name = "pandas" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/89/c0/edb2f6cfafa5369106f927409f6211141c3296c14877cc634d8ee4c970a4/xarray-2025.1.2.tar.gz", hash = "sha256:e7675c79ac69d274dd3b3c5450ce57176928d2792947576251ed1c7df1783224", size = 3271214 }
+sdist = { url = "https://files.pythonhosted.org/packages/8a/8c/e56820a2c682834d8fb4a940956cd41b9f2532fee9692bfaf43b14f33c6e/xarray-2025.3.0.tar.gz", hash = "sha256:531cf6d64e6ab54c19239930a840654f1a79d2140e9f0d11d1e8d69dcc581d0f", size = 3292399 }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/05/79/4e19100342fe13d69fd6e77b343e2269924fec681258e2ea21b55576aad2/xarray-2025.1.2-py3-none-any.whl", hash = "sha256:a7ad6a36c6e0becd67f8aff6a7808d20e4bdcd344debb5205f0a34b1a4a7f8d6", size = 1247773 },
+    { url = "https://files.pythonhosted.org/packages/91/19/5dbac77ca82f009f8267d0e7cca4fd3be2a435d83ed98f6f8b9c5cb1747e/xarray-2025.3.0-py3-none-any.whl", hash = "sha256:022b7eac5ebc26d70d34211de732ec1a15127a40455f9492acdde7fbe5bbf091", size = 1270849 },
 ]
 
 [[package]]
 name = "zarr"
-version = "3.0.5"
+version = "3.0.6"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "donfig" },
@@ -1026,7 +1026,7 @@ dependencies = [
     { name = "packaging" },
     { name = "typing-extensions" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/0f/27/9969116e77d0ce3996c58630678fa20ff094a1599018ef24006c1df480c0/zarr-3.0.5.tar.gz", hash = "sha256:4ac0a09d66875d398ab53c95fd4bddca2f3d757a04454831fc2d54bfbafcb7e5", size = 240716 }
+sdist = { url = "https://files.pythonhosted.org/packages/6f/bf/2820e8ad5f086ea5cd4c4d65eb5e0113f98145ddf5810cec1c75fb10fb98/zarr-3.0.6.tar.gz", hash = "sha256:6ef23c740e34917a2a1099471361537732942e49f0cabe95c9b7124cd0d6d84f", size = 240812 }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/8e/2c/1ce2f94d062a9457d980831f60062f274ac3286006c7ef007b9720fa562c/zarr-3.0.5-py3-none-any.whl", hash = "sha256:e56f8cf1f8105a118a9cdadb78f3b44363b9c67f326a569d79271a1f1cb338e1", size = 196354 },
+    { url = "https://files.pythonhosted.org/packages/fb/38/56a1c129577d20dc975a934ccc3f7f16276eab04ff0ffbe02ea348407a37/zarr-3.0.6-py3-none-any.whl", hash = "sha256:dba078726b6e4defb0ae6a852b7e7035ce163d89d485961681ece49191dcce82", size = 196357 },
 ]