diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4f41c5a..23f9a41 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,10 +13,14 @@ jobs:
   build:
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
         python-version:
-          - 3.9.10
-          - 3.10.3
+          - 3.6.x
+          - 3.7.x
+          - 3.8.x
+          - 3.9.x
+          - 3.10.x
     services:
       redis:
         image: redis:6.2.6-alpine
diff --git a/CHANGELOG.md b/CHANGELOG.md
index be2c31b..aabd8be 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## [Unreleased]
 
 ### Added
+- Support for Python 3.6 through 3.10. (#90)
 
 ### Changed
 
diff --git a/README.md b/README.md
index 67e0969..1800240 100644
--- a/README.md
+++ b/README.md
@@ -28,8 +28,7 @@ the box.
 
 Creating an ETL pipeline with Watergrid is very easy.
 
-1. Install Python 3.7 or later (the last two stable releases are
-tested in GitHub Actions).
+1. Install Python 3.6 or later (other versions may be supported, but are not tested regularly).
 1. Run `pip install watergrid`
 1. Paste the following code into a file named `main.py`:
 
diff --git a/setup.py b/setup.py
index 9e83183..264b1ed 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,7 @@
         "License :: OSI Approved :: MIT License",
         "Operating System :: OS Independent",
     ],
-    python_requires=">=3.9",
+    python_requires=">=3.6",
     install_requires=[
         "pycron==3.0.0",
     ],