diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
new file mode 100644
index 0000000..80ee7a7
--- /dev/null
+++ b/.devcontainer/devcontainer.json
@@ -0,0 +1,30 @@
+{
+  "name": "python-entsoe",
+  "image": "mcr.microsoft.com/devcontainers/python:3.11",
+  "features": {
+    "ghcr.io/devcontainers-contrib/features/uv:2": {}
+  },
+  "customizations": {
+    "vscode": {
+      "settings": {
+        "python.defaultInterpreterPath": "/usr/local/bin/python",
+        "python.linting.enabled": true,
+        "python.linting.pylintEnabled": false,
+        "python.formatting.provider": "none",
+        "editor.formatOnSave": true,
+        "editor.codeActionsOnSave": {
+          "source.organizeImports": "explicit"
+        }
+      },
+      "extensions": [
+        "ms-python.python",
+        "ms-python.vscode-pylance",
+        "charliermarsh.ruff"
+      ]
+    }
+  },
+  "postCreateCommand": "uv sync",
+  "remoteEnv": {
+    "ENTSOE_API_KEY": "${localEnv:ENTSOE_API_KEY}"
+  }
+}
diff --git a/.python-version b/.python-version
index 24ee5b1..2c07333 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.13
+3.11
diff --git a/pyproject.toml b/pyproject.toml
index 9a0a652..70989bc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,13 +7,15 @@ license = "MIT"
 authors = [
     { name = "jsulopzs", email = "jesus.lopez@datons.com" },
 ]
-requires-python = ">=3.13"
+requires-python = ">=3.11"
 keywords = ["entsoe", "energy", "electricity", "api", "transparency"]
 classifiers = [
     "Development Status :: 3 - Alpha",
     "Intended Audience :: Science/Research",
     "License :: OSI Approved :: MIT License",
     "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Topic :: Scientific/Engineering",
 ]