diff --git a/poetry.lock b/poetry.lock
index d4a6eb0..40ff33f 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -202,6 +202,17 @@ files = [
     {file = "colorama-0.4.6.tar.gz", hash = "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44"},
 ]
 
+[[package]]
+name = "dataclasses"
+version = "0.6"
+description = "A backport of the dataclasses module for Python 3.6"
+optional = false
+python-versions = "*"
+files = [
+    {file = "dataclasses-0.6-py3-none-any.whl", hash = "sha256:454a69d788c7fda44efd71e259be79577822f5e3f53f029a22d08004e951dc9f"},
+    {file = "dataclasses-0.6.tar.gz", hash = "sha256:6988bd2b895eef432d562370bb707d540f32f7360ab13da45340101bc2307d84"},
+]
+
 [[package]]
 name = "flake8"
 version = "7.0.0"
@@ -674,18 +685,33 @@ files = [
 
 [[package]]
 name = "pypub3"
-version = "1.0.2"
+version = "2.0.4"
 description = "A python3 library to generate custom epub books."
 optional = false
 python-versions = ">=3.6"
 files = [
-    {file = "pypub3-1.0.2.tar.gz", hash = "sha256:acdcc7516251cdc500e43a24022bf999a98526f752dda40dfd108a1928c831b2"},
+    {file = "pypub3-2.0.4.tar.gz", hash = "sha256:a79d837248455f27d3145f782b5128937db18b3b9dace741e073c5221260ce47"},
 ]
 
 [package.dependencies]
-jinja2 = "*"
-lxml = "*"
-pillow = "*"
+dataclasses = ">=0.6"
+jinja2 = ">=3.1.2"
+pillow = ">=10.0.0"
+pyxml3 = ">=0.0.2"
+
+[[package]]
+name = "pyxml3"
+version = "0.0.4"
+description = "Pure python3 Alternative to stdlib xml.etree with HTML support"
+optional = false
+python-versions = ">=3.6"
+files = [
+    {file = "pyxml3-0.0.4.tar.gz", hash = "sha256:64d58131ea578cb050bc1434925c19a6ffff4c838769aeacfe33144698633b13"},
+]
+
+[package.dependencies]
+dataclasses = "*"
+typing_extensions = "*"
 
 [[package]]
 name = "requests"
@@ -842,4 +868,4 @@ zstd = ["zstandard (>=0.18.0)"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8.1"
-content-hash = "b29cc9a2a71d22f1b4de18d79769a61a009f24ab655b6b5814072f886c2c03c3"
+content-hash = "35d5cde85a96cbd83f10387081d719799bb2f22acc026f50923db69f2cf091db"
diff --git a/pyproject.toml b/pyproject.toml
index 79f63df..b73d0af 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ python = "^3.8.1"
 beautifulsoup4 = "^4.12.3"
 lxml = "^5.1.0"
 pillow = "^10.2.0"
-pypub3 = "^1.0.2"
+pypub3 = "^2.0.0"
 requests = "^2.31.0"
 
 [tool.poetry.group.dev.dependencies]