diff --git a/poetry.lock b/poetry.lock
index a4a9d9b..42184e1 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1074,14 +1074,14 @@ windows-terminal = ["colorama (>=0.4.6)"]
 
 [[package]]
 name = "pypdf"
-version = "5.3.1"
+version = "6.0.0"
 description = "A pure-python PDF library capable of splitting, merging, cropping, and transforming PDF files"
 optional = false
-python-versions = ">=3.8"
+python-versions = ">=3.9"
 groups = ["main"]
 files = [
-    {file = "pypdf-5.3.1-py3-none-any.whl", hash = "sha256:20ea5b8686faad1b695fda054462b667d5e5f51e25fbbc092f12c5e0bb20d738"},
-    {file = "pypdf-5.3.1.tar.gz", hash = "sha256:0b9b715252b3c60bacc052e6a780e8b742cee9b9a2135f6007bb018e22a5adad"},
+    {file = "pypdf-6.0.0-py3-none-any.whl", hash = "sha256:56ea60100ce9f11fc3eec4f359da15e9aec3821b036c1f06d2b660d35683abb8"},
+    {file = "pypdf-6.0.0.tar.gz", hash = "sha256:282a99d2cc94a84a3a3159f0d9358c0af53f85b4d28d76ea38b96e9e5ac2a08d"},
 ]
 
 [package.dependencies]
@@ -1090,7 +1090,7 @@ typing_extensions = {version = ">=4.0", markers = "python_version < \"3.11\""}
 [package.extras]
 crypto = ["cryptography"]
 cryptodome = ["PyCryptodome"]
-dev = ["black", "flit", "pip-tools", "pre-commit (<2.18.0)", "pytest-cov", "pytest-socket", "pytest-timeout", "pytest-xdist", "wheel"]
+dev = ["black", "flit", "pip-tools", "pre-commit", "pytest-cov", "pytest-socket", "pytest-timeout", "pytest-xdist", "wheel"]
 docs = ["myst_parser", "sphinx", "sphinx_rtd_theme"]
 full = ["Pillow (>=8.0.0)", "cryptography"]
 image = ["Pillow (>=8.0.0)"]
@@ -1444,4 +1444,4 @@ test = ["covdefaults (>=2.3)", "coverage (>=7.2.7)", "coverage-enable-subprocess
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.10"
-content-hash = "c3cc8b58cdf0cb48b607e801b965d19182c1a6d7db2bb08db5d742bf1fb6830d"
+content-hash = "d7987b095af163b0d72cba19355788f0c50e95b9637d80e2d1aa2fe46c763176"
diff --git a/pyproject.toml b/pyproject.toml
index acf721c..6db7cfe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ cache_to_disk = "*"
 rich = "^13.9.4"
 requests = "*"
 feedparser = "*"
-pypdf = "^5.1.0"
+pypdf = ">=5.1,<7.0"
 pytest-asyncio = ">=0.24,<0.26"
 
 [tool.poetry.group.dev.dependencies]