diff --git a/pyproject.toml b/pyproject.toml
index e575323e..714b6d22 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -109,7 +109,7 @@ watch = ["watchfiles>=0.24.0"]
 # ``soffice`` (LibreOffice) is an OS-level dep only the subprocess converter
 # needs, and Gotenberg is reached over HTTP via the core ``httpx`` dep.
 binary = [
-    "pypdf>=4.3.0",
+    "pypdf>=6.13.3",
     "Pillow>=11.0",
     "pillow-heif>=0.18",
     "cairosvg>=2.7",
diff --git a/uv.lock b/uv.lock
index 7e3b501c..1423219d 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1295,7 +1295,7 @@ requires-dist = [
     { name = "pydantic-ai", specifier = ">=1.99.0" },
     { name = "pydantic-settings", specifier = ">=2.7.0" },
     { name = "pymongo", marker = "extra == 'mongodb'", specifier = ">=4.10.0" },
-    { name = "pypdf", marker = "extra == 'binary'", specifier = ">=4.3.0" },
+    { name = "pypdf", marker = "extra == 'binary'", specifier = ">=6.13.3" },
     { name = "pyright", marker = "extra == 'dev'", specifier = ">=1.1.0" },
     { name = "pytest", marker = "extra == 'dev'", specifier = ">=8.3.0" },
     { name = "pytest-asyncio", marker = "extra == 'dev'", specifier = ">=0.24.0" },
@@ -3928,11 +3928,11 @@ wheels = [
 
 [[package]]
 name = "pypdf"
-version = "6.12.2"
+version = "6.13.3"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/0a/6d/20879428577c1e57ecd41b69dc86beabf43db9287ad2e702207f8b48c751/pypdf-6.12.2.tar.gz", hash = "sha256:111669eb6680c04495ae0c113a1476e3bf93a95761d23c7406b591c80a6490b1", size = 6468184, upload-time = "2026-05-26T13:31:26.911Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/17/18/9947cc201af9ccf76720fd3347bf4f70eb882ce3fcf4cb05f7443e4cf871/pypdf-6.13.3.tar.gz", hash = "sha256:f3cb822769725f1bac658c406cfc9460399043f3750c2d3e4650e0a85eacabd7", size = 6484063, upload-time = "2026-06-17T15:22:00.898Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/9e/44/fee070a16639d9869bb6a7e0f3a1b3946da1d66f32b9260b4d19cb90d7b2/pypdf-6.12.2-py3-none-any.whl", hash = "sha256:67b2699357a1f3f4c945940ea80826349ee507c9e2577724a14b4941982c104d", size = 343865, upload-time = "2026-05-26T13:31:25.068Z" },
+    { url = "https://files.pythonhosted.org/packages/94/56/2967e621598987905fb8cdfadd8f8de6b5c68c9351f0523c4df8409f28f1/pypdf-6.13.3-py3-none-any.whl", hash = "sha256:c6e3f86afb625791510b02ad5480e94b63970bb957df75d44657c282ecc52224", size = 347288, upload-time = "2026-06-17T15:21:59.512Z" },
 ]
 
 [[package]]