diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index d12cf4e..913a74c 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12"]
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
       - name: Set up Python ${{ matrix.python-version }}
diff --git a/.tool-versions b/.tool-versions
index 516e3c9..4be7353 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1 +1 @@
-python 3.9.10
\ No newline at end of file
+python 3.10.20
\ No newline at end of file
diff --git a/README.md b/README.md
index 72c9ca2..b57e8d4 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ This client is generated using the [OpenAPI Generator](https://openapi-generator
 
 ## Requirements
 
-Python 3.8+
+Python 3.10+
 
 ## Installation
 
diff --git a/poetry.lock b/poetry.lock
index a31f6a8..b4912bd 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -12,9 +12,6 @@ files = [
     {file = "annotated_types-0.7.0.tar.gz", hash = "sha256:aff07c09a53a08bc8cfccb9c85b05f1aa9a2a6f23728d790723543408344ce89"},
 ]
 
-[package.dependencies]
-typing-extensions = {version = ">=4.0.0", markers = "python_version < \"3.9\""}
-
 [[package]]
 name = "cachetools"
 version = "5.5.2"
@@ -170,7 +167,7 @@ description = "Backport of PEP 654 (exception groups)"
 optional = false
 python-versions = ">=3.7"
 groups = ["dev"]
-markers = "python_version < \"3.11\""
+markers = "python_version == \"3.10\""
 files = [
     {file = "exceptiongroup-1.2.2-py3-none-any.whl", hash = "sha256:3111b9d131c238bec2f8f516e123e14ba243563fb135d3fe885990585aa7795b"},
     {file = "exceptiongroup-1.2.2.tar.gz", hash = "sha256:47c2edf7c6738fafb49fd34290706d1a1a2f4d1c6df275526b62cbb4aa5393cc"},
@@ -698,21 +695,21 @@ files = [
 
 [[package]]
 name = "urllib3"
-version = "2.2.3"
+version = "2.7.0"
 description = "HTTP library with thread-safe connection pooling, file post, and more."
 optional = false
-python-versions = ">=3.8"
+python-versions = ">=3.10"
 groups = ["main"]
 files = [
-    {file = "urllib3-2.2.3-py3-none-any.whl", hash = "sha256:ca899ca043dcb1bafa3e262d73aa25c465bfb49e0bd9dd5d59f1d0acba2f8fac"},
-    {file = "urllib3-2.2.3.tar.gz", hash = "sha256:e7d814a81dad81e6caf2ec9fdedb284ecc9c73076b62654547cc64ccdcae26e9"},
+    {file = "urllib3-2.7.0-py3-none-any.whl", hash = "sha256:9fb4c81ebbb1ce9531cce37674bbc6f1360472bc18ca9a553ede278ef7276897"},
+    {file = "urllib3-2.7.0.tar.gz", hash = "sha256:231e0ec3b63ceb14667c67be60f2f2c40a518cb38b03af60abc813da26505f4c"},
 ]
 
 [package.extras]
-brotli = ["brotli (>=1.0.9) ; platform_python_implementation == \"CPython\"", "brotlicffi (>=0.8.0) ; platform_python_implementation != \"CPython\""]
+brotli = ["brotli (>=1.2.0) ; platform_python_implementation == \"CPython\"", "brotlicffi (>=1.2.0.0) ; platform_python_implementation != \"CPython\""]
 h2 = ["h2 (>=4,<5)"]
 socks = ["pysocks (>=1.5.6,!=1.5.7,<2.0)"]
-zstd = ["zstandard (>=0.18.0)"]
+zstd = ["backports-zstd (>=1.0.0) ; python_version < \"3.14\""]
 
 [[package]]
 name = "virtualenv"
@@ -737,5 +734,5 @@ test = ["covdefaults (>=2.3)", "coverage (>=7.2.7)", "coverage-enable-subprocess
 
 [metadata]
 lock-version = "2.1"
-python-versions = "^3.8"
-content-hash = "d77e1e47f222c63fc130336241c2713044aab8a8d7c6fe417c9e3fb99eb4932d"
+python-versions = "^3.10"
+content-hash = "3401c2b71bdcabf72026f964694663a676843dd06f6d2b56088ce745c763db57"
diff --git a/pyproject.toml b/pyproject.toml
index a7303b5..f3a4685 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,9 +8,9 @@ readme = "README.md"
 keywords = ["finance", "ynab", "budgeting", "api"]
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.10"
 
-urllib3 = ">= 1.25.3 < 3.0.0"
+urllib3 = ">= 2.7.0, < 3.0.0"
 python-dateutil = ">= 2.8.2"
 pydantic = ">= 2"
 typing-extensions = ">= 4.7.1"
diff --git a/requirements.txt b/requirements.txt
index 9e2d67a..1d751a9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-urllib3 >= 2.1.0, < 3.0.0
+urllib3 >= 2.7.0, < 3.0.0
 python_dateutil >= 2.8.2
 pydantic >= 2.11
 typing-extensions >= 4.7.1
diff --git a/templates/pyproject.mustache b/templates/pyproject.mustache
index 3f9697b..6d6c5b2 100644
--- a/templates/pyproject.mustache
+++ b/templates/pyproject.mustache
@@ -8,9 +8,9 @@ readme = "README.md"
 keywords = ["finance", "ynab", "budgeting", "api"]
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.10"
 
-urllib3 = ">= 1.25.3 < 3.0.0"
+urllib3 = ">= 2.7.0, < 3.0.0"
 python-dateutil = ">= 2.8.2"
 {{#asyncio}}
 aiohttp = ">= 3.8.4"