diff --git a/container/Dockerfile.sglang b/container/Dockerfile.sglang
index a2df2be038..80faf4105e 100644
--- a/container/Dockerfile.sglang
+++ b/container/Dockerfile.sglang
@@ -429,8 +429,9 @@ COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
         build-essential python3-dev libnuma-dev \
-        # Curl for polling various endpoints.
+        # jq and curl for polling various endpoints and health checks
         curl \
+        jq \
         # For debugging
         vim \
         # Libraries required by UCX to find RDMA devices
diff --git a/container/Dockerfile.sglang-wideep b/container/Dockerfile.sglang-wideep
index c8746ceb9d..29e78a9bd0 100644
--- a/container/Dockerfile.sglang-wideep
+++ b/container/Dockerfile.sglang-wideep
@@ -152,6 +152,9 @@ RUN cmake --version
 RUN apt-get update -y && \
     apt-get install -y --no-install-recommends \
     rapidjson-dev \
+    # jq and curl for polling various endpoints and health checks
+    jq \
+    curl \
     zlib1g-dev
 
 RUN git clone --depth=1 https://github.com/triton-inference-server/perf_analyzer.git && \
diff --git a/container/Dockerfile.tensorrt_llm b/container/Dockerfile.tensorrt_llm
index 4a6cd167bf..84cdbfcb8e 100644
--- a/container/Dockerfile.tensorrt_llm
+++ b/container/Dockerfile.tensorrt_llm
@@ -380,7 +380,8 @@ RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
         build-essential \
         python3-dev \
-        # Curl for polling various endpoints.
+        # jq and curl for polling various endpoints and health checks
+        jq \
         curl \
         # For debugging
         vim \
diff --git a/container/Dockerfile.vllm b/container/Dockerfile.vllm
index 1ad4d253e7..832cdc67dc 100644
--- a/container/Dockerfile.vllm
+++ b/container/Dockerfile.vllm
@@ -437,7 +437,8 @@ RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
         build-essential \
         python3-dev \
-        # Curl for polling various endpoints.
+        # jq and curl for polling various endpoints and health checks
+        jq \
         curl \
         # For debugging
         vim \