diff --git a/backend/Dockerfile.backend b/backend/Dockerfile.backend
index 712a6eb1..cd7e7d8c 100644
--- a/backend/Dockerfile.backend
+++ b/backend/Dockerfile.backend
@@ -52,7 +52,7 @@ RUN --mount=type=cache,target=/root/.cache/pip \
 # Clean up system Python installation
 RUN find /usr/local -name "*.pyc" -delete && \
     find /usr/local -name "__pycache__" -type d -exec rm -rf {} + 2>/dev/null || true && \
-    find /usr/local -name "tests" -type d -exec rm -rf {} + 2>/dev/null || true && \
+    find /usr/local -name "tests" -type d ! -path "*/numpy/*" -exec rm -rf {} + 2>/dev/null || true && \
     find /usr/local -name "*.egg-info" -type d -exec rm -rf {} + 2>/dev/null || true
 
 # Final stage - clean runtime
diff --git a/poetry.lock b/poetry.lock
index 34553d74..171d6cfc 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -7681,6 +7681,7 @@ filelock = "*"
 huggingface-hub = ">=0.34.0,<1.0"
 numpy = ">=1.17"
 packaging = ">=20.0"
+Pillow = {version = ">=10.0.1,<=15.0", optional = true, markers = "extra == \"vision\""}
 pyyaml = ">=5.1"
 regex = "!=2019.12.17"
 requests = "*"
@@ -8409,4 +8410,4 @@ type = ["pytest-mypy"]
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.12,<3.13"
-content-hash = "5405e4177a64674b506d5ab663dc5d5b5bbe0425e13a1e156a4c506beb1b43d0"
+content-hash = "d0bf5b1322717aa95d606ffcf094ee3607ae20799f49a34d7ffa0acd4c455968"
diff --git a/pyproject.toml b/pyproject.toml
index c1b779db..77313765 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ dependencies = [
     "validators>=0.34.0",
     "psutil (>=7.0.0,<8.0.0)",
     "docling (>=2.0.0)",
-    "transformers (>=4.46.0)",
+    "transformers[vision] (>=4.46.0)",
     "pydub (>=0.25.1,<0.26.0)",
     "uuid-extension (>=0.2.0,<0.3.0)",
     "spacy (>=3.7.0,<4.0.0)",