diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 08b6a8c..66382a6 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -11,7 +11,7 @@ dependencies = [
     "pydantic>=2.7.4",
     "slowapi==0.1.9",
     "ruff==0.8.0",
-    "pypdf>=5",
+    "pypdf>=6.10.2",
     "langchain-community>=0.2.19",
     "tiktoken>=0.5.1",
     "boto3>=1.40.64",
diff --git a/backend/uv.lock b/backend/uv.lock
index 16ba806..7cad598 100644
--- a/backend/uv.lock
+++ b/backend/uv.lock
@@ -1,5 +1,5 @@
 version = 1
-revision = 2
+revision = 3
 requires-python = "==3.11.*"
 resolution-markers = [
     "sys_platform == 'win32'",
@@ -396,7 +396,6 @@ wheels = [
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     { url = "https://files.pythonhosted.org/packages/70/79/0de5e62b873e08fe3cef7dbe84e5c4bc0e8ed0c7ff131bccb8405cd107c8/greenlet-3.3.2-cp311-cp311-musllinux_1_2_aarch64.whl", hash = "sha256:442b6057453c8cb29b4fb36a2ac689382fc71112273726e2423f7f17dc73bf99", size = 1554649, upload-time = "2026-02-20T20:49:32.293Z" },
     { url = "https://files.pythonhosted.org/packages/5a/00/32d30dee8389dc36d42170a9c66217757289e2afb0de59a3565260f38373/greenlet-3.3.2-cp311-cp311-musllinux_1_2_x86_64.whl", hash = "sha256:45abe8eb6339518180d5a7fa47fa01945414d7cca5ecb745346fc6a87d2750be", size = 1619472, upload-time = "2026-02-20T20:21:07.966Z" },
@@ -706,7 +705,7 @@ requires-dist = [
     { name = "openai", specifier = ">=1.109.1" },
     { name = "orjson", specifier = ">=3.11" },
     { name = "pydantic", specifier = ">=2.7.4" },
-    { name = "pypdf", specifier = ">=5" },
+    { name = "pypdf", specifier = ">=6.10.2" },
     { name = "python-multipart", specifier = ">=0.0.18" },
     { name = "ruff", specifier = "==0.8.0" },
     { name = "slowapi", specifier = "==0.1.9" },
@@ -1025,11 +1024,11 @@ wheels = [
 
 [[package]]
 name = "pypdf"
-version = "6.9.0"
+version = "6.10.2"
 source = { registry = "https://pypi.org/simple" }
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+sdist = { url = "https://files.pythonhosted.org/packages/7b/3f/9f2167401c2e94833ca3b69535bad89e533b5de75fefe4197a2c224baec2/pypdf-6.10.2.tar.gz", hash = "sha256:7d09ce108eff6bf67465d461b6ef352dcb8d84f7a91befc02f904455c6eea11d", size = 5315679, upload-time = "2026-04-15T16:37:36.978Z" }
 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/0c/d6/1d5c60cc17bbdf37c1552d9c03862fc6d32c5836732a0415b2d637edc2d0/pypdf-6.10.2-py3-none-any.whl", hash = "sha256:aa53be9826655b51c96741e5d7983ca224d898ac0a77896e64636810517624aa", size = 336308, upload-time = "2026-04-15T16:37:34.851Z" },
 ]
 
 [[package]]