diff --git a/poetry.lock b/poetry.lock
index 6ccf2bef..b7afd121 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1045,21 +1045,21 @@ testutils = ["gitpython (>3)"]
 
 [[package]]
 name = "pypdf"
-version = "3.13.0"
+version = "3.15.4"
 description = "A pure-python PDF library capable of splitting, merging, cropping, and transforming PDF files"
 optional = false
 python-versions = ">=3.6"
 files = [
-    {file = "pypdf-3.13.0-py3-none-any.whl", hash = "sha256:b77ded83c019fc9554837182de8397d34fbc9eb634b1e6a1b87c1484b52d4f3f"},
-    {file = "pypdf-3.13.0.tar.gz", hash = "sha256:417e2ee36178e0540dba7f25121359de81e99e899f07ef4bdc4da75a3e17cabc"},
+    {file = "pypdf-3.15.4-py3-none-any.whl", hash = "sha256:791f0a52ddf390709f1f1b0c05c4d8cde13829b4f7cb91b4003b9bdd352bc944"},
+    {file = "pypdf-3.15.4.tar.gz", hash = "sha256:a2780ed01dc4da23ac1542209f58fd3d951d8dd37c3c0309d123cd2f2679fb03"},
 ]
 
 [package.extras]
-crypto = ["PyCryptodome"]
-dev = ["black", "flit", "pip-tools", "pre-commit (<2.18.0)", "pytest-cov", "pytest-socket", "wheel"]
+crypto = ["PyCryptodome", "cryptography"]
+dev = ["black", "flit", "pip-tools", "pre-commit (<2.18.0)", "pytest-cov", "pytest-socket", "pytest-timeout", "wheel"]
 docs = ["myst_parser", "sphinx", "sphinx_rtd_theme"]
-full = ["Pillow", "PyCryptodome"]
-image = ["Pillow"]
+full = ["Pillow (>=8.0.0)", "PyCryptodome", "cryptography"]
+image = ["Pillow (>=8.0.0)"]
 
 [[package]]
 name = "pyphen"
@@ -1475,4 +1475,4 @@ test = ["pytest"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.10"
-content-hash = "8647fa97d10aaaa8f5e87396f32e8ffc9a444a34bcc5ebbf97037cb39636d6ed"
+content-hash = "c7b51649eb41cec5367ad104ea0a53d54bcf108f23be67f8e7d4bf85b4a29288"
diff --git a/pyproject.toml b/pyproject.toml
index 600e2061..4a85197e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ packages = [{include = "botcpdf"}]
 python = "^3.10"
 jinja2 = "^3.1.2"
 weasyprint = "^58.1"
-pypdf = "^3.12.1"
+pypdf = "^3.15.4"
 pdf2image = "^1.16.3"
 requests = "^2.28.2"
 pytz = "^2023.3"