diff --git a/backend/python/vllm/install.sh b/backend/python/vllm/install.sh
index 8e9786ba5353..fba833dacad0 100755
--- a/backend/python/vllm/install.sh
+++ b/backend/python/vllm/install.sh
@@ -55,6 +55,11 @@ fi
 # first-match strategy would still pick the PyPI wheel, so allow it to consult
 # every configured index when resolving.
 if [ "x${BUILD_PROFILE}" == "xcublas13" ]; then
+    # vLLM 0.32+ requires Python >=3.11; match the portable Python used by
+    # the other Python 3.12 vLLM profiles before installRequirements.
+    PYTHON_VERSION="3.12"
+    PYTHON_PATCH="12"
+    PY_STANDALONE_TAG="20251120"
     EXTRA_PIP_INSTALL_FLAGS+=" --index-strategy=unsafe-best-match"
 fi
 
diff --git a/backend/python/vllm/requirements-cublas13-after.txt b/backend/python/vllm/requirements-cublas13-after.txt
index d66bab55dfad..27c56a81b6b8 100644
--- a/backend/python/vllm/requirements-cublas13-after.txt
+++ b/backend/python/vllm/requirements-cublas13-after.txt
@@ -3,8 +3,8 @@
 # on a cu130 host. Pull the cu130-flavoured wheel from vLLM's per-tag index
 # instead — the cublas13 case in install.sh adds --index-strategy=unsafe-best-match
 # so uv consults this index alongside PyPI.
---extra-index-url https://wheels.vllm.ai/0.31.0/cu130
+--extra-index-url https://wheels.vllm.ai/0.32.0/cu130
 # VERSION COUPLING: darwin/Apple-Silicon builds use vllm-metal (see install.sh),
 # which pins this exact vLLM version. Bumping vllm here means coordinating with a
 # vllm-metal release that supports the new version, or macOS/Metal builds break.
-vllm==0.31.0
+vllm==0.32.0