diff --git a/.readthedocs.yml b/.readthedocs.yml
new file mode 100644
index 0000000..f7e840b
--- /dev/null
+++ b/.readthedocs.yml
@@ -0,0 +1,13 @@
+# RTD configuration
+
+python:
+  # asyncqlio requires 3.5+
+  version: 3.5
+  # install with pip to get version number
+  pip_install: true
+  # install doc requirements
+  extra_requirements:
+    - docs
+    # install all backends for autodoc
+    - postgres+asyncpg
+    - mysql+aiomysql
diff --git a/setup.py b/setup.py
index 2b0b57b..f2280da 100644
--- a/setup.py
+++ b/setup.py
@@ -39,6 +39,18 @@
         "cached_property==1.3.0",
         "asyncio_extras==1.3.0"
     ],
+    extras_require={
+        "docs": [
+            "sphinx>=1.5.0",
+            "sphinxcontrib-asyncio"
+        ],
+        "postgres+asyncpg": [
+            "asyncpg>=0.12.0"
+        ],
+        "mysql+aiomysql": [
+            "aiomysql>=0.0.9",
+        ]
+    },
     python_requires=">=3.5.2",
     entry_points={
         "console_scripts": ["asql-migrate=asyncqlio.orm.ddl.migration_tool:cli"]