diff --git a/daskms/optimisation.py b/daskms/optimisation.py
index 3547e98e..0a10fdaf 100644
--- a/daskms/optimisation.py
+++ b/daskms/optimisation.py
@@ -5,7 +5,8 @@
 from weakref import WeakValueDictionary, WeakKeyDictionary
 
 import dask.array as da
-from dask.core import flatten, _execute_task
+from dask.core import flatten
+from dask.local import execute_task
 from dask.highlevelgraph import HighLevelGraph
 from dask.optimization import cull, inline
 
@@ -63,7 +64,7 @@ def cache_entry(cache, key, *task):
         try:
             return cache.cache[key]
         except KeyError:
-            cache.cache[key] = value = _execute_task(task, {})
+            cache.cache[key] = value = execute_task(task, {})
             return value
 
 
diff --git a/pyproject.toml b/pyproject.toml
index d1047f2e..5fa82429 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,19 +10,19 @@ packages = [{include = "daskms"}]
 [tool.poetry.dependencies]
 python = "^3.10, < 3.14"
 appdirs = "^1.4.4"
-dask = {extras = ["array"], version = ">= 2023.1.1, < 2024.11.0"}
+dask = {extras = ["array"], version = ">= 2025.1.0"}
 donfig = ">= 0.8.0"
 python-casacore = "^3.7.0"
 numpy = ">= 2.0.0"
 pyarrow = {version = ">= 14.0.1", optional = true}
 zarr = {version = "^2.12.0", optional=true}
-xarray = {version = ">= 2023.01.0", optional=true}
-s3fs = {version = ">= 2023.1.0", optional=true}
+xarray = {version = ">= 2025.01.0", optional=true}
+s3fs = {version = ">= 2025.1.0", optional=true}
 minio = {version = "^7.2.0", optional = true}
 pytest = {version = "^7.1.3", optional=true}
 pandas = {version = "^2.1.2", optional = true}
 katdal = {version = "^0.23", optional = true}
-fsspec = ">=2022.7.0"
+fsspec = ">=2025.1.0"
 cacheout = "^0.16.0"
 
 [tool.poetry.scripts]