diff --git a/ai-service/Dockerfile b/ai-service/Dockerfile
index 52aab35..275b6f0 100644
--- a/ai-service/Dockerfile
+++ b/ai-service/Dockerfile
@@ -1,5 +1,5 @@
 # AI Service Backend Dockerfile
-FROM docker.1ms.run/python:3.11-slim AS builder
+FROM docker.1ms.run/python:3.10.11-slim AS builder
 
 WORKDIR /app
 
@@ -9,13 +9,13 @@ COPY pyproject.toml README.md ./
 
 RUN uv pip install --system --no-cache-dir .
 
-FROM docker.1ms.run/python:3.11-slim
+FROM docker.1ms.run/python:3.10.11-slim
 
 WORKDIR /app
 
 RUN groupadd -r appgroup && useradd -r -g appgroup appuser
 
-COPY --from=builder /usr/local/lib/python3.11/site-packages /usr/local/lib/python3.11/site-packages
+COPY --from=builder /usr/local/lib/python3.10/site-packages /usr/local/lib/python3.10/site-packages
 COPY --from=builder /usr/local/bin /usr/local/bin
 
 COPY app ./app
diff --git a/ai-service/pyproject.toml b/ai-service/pyproject.toml
index 28a0101..73886f9 100644
--- a/ai-service/pyproject.toml
+++ b/ai-service/pyproject.toml
@@ -22,6 +22,7 @@ dependencies = [
     "pdfplumber>=0.10.0",
     "python-multipart>=0.0.6",
     "redis>=5.0.0",
+    "jsonschema>=4.21.0",
 ]
 
 [project.optional-dependencies]