diff --git a/.ci/docker/requirements.txt b/.ci/docker/requirements.txt
index 249ca72981..a1b0d6b5b3 100644
--- a/.ci/docker/requirements.txt
+++ b/.ci/docker/requirements.txt
@@ -25,16 +25,20 @@ pydantic>=2.10
 fastapi
 matplotlib
 librosa
-torch==2.12
+torch==2.13
 cuda-bindings>=13.1.0  # Required for CUDA graph annotations tutorial
 torchvision
 torchdata
 networkx
 PyHamcrest
 bs4
+# Pin setuptools: awscliv2==2.1.1 imports pkg_resources, which setuptools>=81 removed.
+setuptools<81
 awscliv2==2.1.1
 flask
 spacy==3.7.1  # Keep this version consistent with the model version in .jenkins/build.sh
+# Pin protobuf: ray[serve]==2.55.0 uses FieldDescriptor.label, removed in protobuf>=6.
+protobuf<6
 ray[serve,train,tune]==2.55.0
 tiktoken
 tensorboard