diff --git a/labs/00-data-prep.ipynb b/labs/00-data-prep.ipynb
index 888b7cf..f4fbb75 100644
--- a/labs/00-data-prep.ipynb
+++ b/labs/00-data-prep.ipynb
@@ -413,7 +413,7 @@
     "# this includes AWS environment vars needed to access requester-pays and private buckets\n",
     "options.environment_vars.update(dict(os.environ))\n",
     "cluster = gateway.new_cluster(options)\n",
-    "cluster.adapt(minimum=10, maximum=30)\n",
+    "cluster.adapt(minimum=10, maximum=15)\n",
     "\n",
     "# get the client for the cluster\n",
     "client = cluster.get_client()\n",
diff --git a/labs/01-data-exploration.ipynb b/labs/01-data-exploration.ipynb
index 23e6205..53a85ca 100644
--- a/labs/01-data-exploration.ipynb
+++ b/labs/01-data-exploration.ipynb
@@ -198,7 +198,7 @@
     "        _env_to_add[_e] = os.environ[_e]\n",
     "_options.environment_vars = _env_to_add\n",
     "cluster = gateway.new_cluster(_options)  ##<< create cluster via the dask gateway\n",
-    "cluster.adapt(minimum=2, maximum=30)  ##<< Sets scaling parameters.\n",
+    "cluster.adapt(minimum=2, maximum=15)  ##<< Sets scaling parameters.\n",
     "\n",
     "client = cluster.get_client()\n",
     "\n",
diff --git a/labs/03-standard-benchmark.ipynb b/labs/03-standard-benchmark.ipynb
index 073e792..bdfd778 100644
--- a/labs/03-standard-benchmark.ipynb
+++ b/labs/03-standard-benchmark.ipynb
@@ -350,7 +350,7 @@
     ")\n",
     "options.environment_vars.update(dict(os.environ))\n",
     "cluster = gateway.new_cluster(options)\n",
-    "cluster.adapt(minimum=1, maximum=30)\n",
+    "cluster.adapt(minimum=1, maximum=15)\n",
     "\n",
     "# get the client for the cluster\n",
     "client = cluster.get_client()\n",
diff --git a/labs/05-dscore-benchmark.ipynb b/labs/05-dscore-benchmark.ipynb
index 4d28b85..e510490 100644
--- a/labs/05-dscore-benchmark.ipynb
+++ b/labs/05-dscore-benchmark.ipynb
@@ -333,7 +333,7 @@
     ")\n",
     "options.environment_vars.update(dict(os.environ))\n",
     "cluster = gateway.new_cluster(options)\n",
-    "cluster.adapt(minimum=1, maximum=30)\n",
+    "cluster.adapt(minimum=1, maximum=15)\n",
     "\n",
     "# get the client for the cluster\n",
     "client = cluster.get_client()\n",