diff --git a/docs/notebooks/4_ensembles.ipynb b/docs/notebooks/4_ensembles.ipynb
index fe595372..97b444dd 100644
--- a/docs/notebooks/4_ensembles.ipynb
+++ b/docs/notebooks/4_ensembles.ipynb
@@ -41,9 +41,7 @@
    "outputs": [],
    "source": [
     "import xarray as xr\n",
-    "\n",
-    "# from xclim.testing.utils import nimbus\n",
-    "from xclim.testing import open_dataset\n",
+    "from xclim.testing.utils import nimbus\n",
     "\n",
     "import xscen as xs\n",
     "\n",
@@ -56,9 +54,10 @@
     "}\n",
     "\n",
     "for d in datasets:\n",
-    "    # file = nimbus().fetch(datasets[d])  # There is currently a bug in xclim 0.53.2\n",
-    "    # ds = xr.open_dataset(file).isel(lon=slice(0, 4), lat=slice(0, 4))\n",
-    "    ds = open_dataset(datasets[d]).isel(lon=slice(0, 4), lat=slice(0, 4))\n",
+    "    file = nimbus(repo=\"https://github.com/Ouranosinc/xclim-testdata\").fetch(\n",
+    "        datasets[d]\n",
+    "    )\n",
+    "    ds = xr.open_dataset(file).isel(lon=slice(0, 4), lat=slice(0, 4))\n",
     "    ds = xs.climatological_op(\n",
     "        ds,\n",
     "        op=\"mean\",\n",