diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 22ee8e0..af809de 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -52,7 +52,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12"]
     steps:
       - name: Checkout
         uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7.0.0
diff --git a/pyproject.toml b/pyproject.toml
index 66db8a1..d91fad8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=68", "wheel"]
+requires = ["setuptools>=82.0.1", "wheel"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -7,7 +7,7 @@ name = "llm-bridge"
 version = "0.1.0"
 description = "A tiny, vendor-neutral wrapper for any LLM backend — one interface, pluggable providers (OpenAI, AWS Bedrock, Google Gemini, or bring your own)."
 readme = "README.md"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 license = { text = "Apache-2.0" }
 authors = [{ name = "Santander AI Lab" }]
 keywords = [
@@ -25,7 +25,6 @@ classifiers = [
     "License :: OSI Approved :: Apache Software License",
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
@@ -36,17 +35,17 @@ classifiers = [
 dependencies = []
 
 [project.optional-dependencies]
-openai = ["openai>=1.0"]
-deepseek = ["openai>=1.0"]
-aws = ["boto3>=1.34"]
-google = ["google-genai>=0.3"]
-all = ["openai>=1.0", "boto3>=1.34", "google-genai>=0.3"]
+openai = ["openai>=2.44.0"]
+deepseek = ["openai>=2.44.0"]
+aws = ["boto3>=1.43.38"]
+google = ["google-genai>=2.10.0"]
+all = ["openai>=2.44.0", "boto3>=1.43.38", "google-genai>=2.10.0"]
 dev = [
-    "pytest>=8.0",
-    "pytest-cov>=5.0",
-    "ruff>=0.6",
-    "black>=24.0",
-    "mypy>=1.10",
+    "pytest>=9.1.1",
+    "pytest-cov>=7.1.0",
+    "ruff>=0.15.20",
+    "black>=26.5.1",
+    "mypy>=2.1.0",
 ]
 
 [project.urls]