diff --git a/docs/resources/Athena-ML.ipynb b/docs/resources/Athena-ML.ipynb
index a486f86900..0d19409d36 100644
--- a/docs/resources/Athena-ML.ipynb
+++ b/docs/resources/Athena-ML.ipynb
@@ -96,7 +96,7 @@
     "# specify general training job information\n",
     "rcf = RandomCutForest(role=execution_role,\n",
     "                      train_instance_count=1,\n",
-    "                      train_instance_type='ml.c5d.4xlarge',\n",
+    "                      train_instance_type='ml.c4.8xlarge',\n",
     "                      data_location='s3://{}/{}/'.format(bucket, prefix),\n",
     "                      output_path='s3://{}/{}/output'.format(bucket, prefix),\n",
     "                      num_samples_per_tree=512,\n",
@@ -109,7 +109,7 @@
     "\n",
     "rcf_inference = rcf.deploy(\n",
     "    initial_instance_count=1,\n",
-    "    instance_type='ml.m4.xlarge',\n",
+    "    instance_type='ml.c4.8xlarge',\n",
     ")\n",
     "\n",
     "print('\\nEndpoint name (used by Athena): {}'.format(rcf_inference.endpoint))"