diff --git a/.circleci/config.yml b/.circleci/config.yml
index 18389cb..b6b7efb 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -131,7 +131,7 @@ workflows:
       - test:
           matrix:
             parameters:
-              python_version: ["3.10", "3.11", "3.12"]
+              python_version: ["3.9", "3.10", "3.11", "3.12"]
       - test-gpu:
           requires:
             - lint
diff --git a/doc/index.rst b/doc/index.rst
index 9883485..c0664dc 100644
--- a/doc/index.rst
+++ b/doc/index.rst
@@ -89,7 +89,7 @@ Benefits of having ArangoDB as a backend to NetworkX include:
 
 Requirements
 ------------
-- Python 3.10+
+- Python 3.9+
 - NetworkX 3.0+
 - ArangoDB 3.10+
 
diff --git a/pyproject.toml b/pyproject.toml
index 35aa776..e2075ea 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,11 +15,12 @@ authors = [
     { name = "ArangoDB" },
 ]
 license = { text = "Apache 2.0" }
-requires-python = ">=3.10"
+requires-python = ">=3.9"
 classifiers = [
     "License :: OSI Approved :: Apache Software License",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",