diff --git a/.github/workflows/fvGP-CI.yml b/.github/workflows/fvGP-CI.yml
index d0de1ca..ebb7970 100644
--- a/.github/workflows/fvGP-CI.yml
+++ b/.github/workflows/fvGP-CI.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ '3.10', '3.11', '3.12' ]
+        python-version: [ '3.11', '3.12'] # 3.13 suppressed until imate releases wheels for 3.13
 
     steps:
       - uses: actions/checkout@v2
diff --git a/fvgp/gp.py b/fvgp/gp.py
index 2eb9fdf..ece800e 100755
--- a/fvgp/gp.py
+++ b/fvgp/gp.py
@@ -3,7 +3,7 @@
 import warnings
 import numpy as np
 from loguru import logger
-from dask.distributed import Client
+from distributed import Client
 from scipy.stats import norm
 from .gp_prior import GPprior
 from .gp_data import GPdata
diff --git a/pyproject.toml b/pyproject.toml
index 4e3855c..fb7f277 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,11 +6,11 @@ build-backend = "hatchling.build"
 name = "fvgp"
 dependencies = [
     "wheel",
-    "scipy ~= 1.13.0",
-    "numpy ~= 2.1.1",
-    "dask ~= 2024.1.0",
-    "distributed ~= 2024.1.0",
-    "hgdl ~= 2.2.2",
+    "scipy ~= 1.16.0",
+    "numpy ~= 2.3.1",
+    "dask ~= 2025.5.1",
+    "distributed ~= 2025.5.1",
+    "hgdl ~= 2.3.1",
     "loguru",
 ]
 # imate
@@ -42,7 +42,7 @@ dynamic = ["version"]
 
 [project.optional-dependencies]
 docs = ['sphinx', 'sphinx-rtd-theme', 'myst-parser', 'myst-nb', 'sphinx-panels', 'autodocs', 'jupytext']
-tests = ['pytest', 'codecov', 'pytest-cov', 'imate', 'torch']
+tests = ['pytest', 'codecov', 'pytest-cov', 'torch', 'imate']
 plotting = ['matplotlib', 'plotly', 'notebook']
 
 [project.urls]
diff --git a/tests/test_fvgp.py b/tests/test_fvgp.py
index b037373..a6dedb0 100755
--- a/tests/test_fvgp.py
+++ b/tests/test_fvgp.py
@@ -316,7 +316,6 @@ def mkernel(x1,x2,hps):
 
 
 def test_gp2Scale(client):
-    from imate import logdet as imate_logdet
     input_dim = 1
     N = 2000
     x_data = np.random.rand(N,input_dim)