diff --git a/.github/renovate.json5 b/.github/renovate.json5
index 8c95296..d1c415c 100644
--- a/.github/renovate.json5
+++ b/.github/renovate.json5
@@ -66,13 +66,6 @@
         "minor",
         "patch"
       ],
-    },
-    {
-      "description": "Disable isort updates for python <=3.9 in pyproject.toml",
-      "matchFileNames": ["pyproject.toml"],
-      "matchPackageNames": ["isort"],
-      "matchCurrentValue": "==6.1.0",
-      "enabled": false
     }
   ],
 }
diff --git a/.github/sync-repo-settings.yaml b/.github/sync-repo-settings.yaml
index 5ee5b8a..fb352be 100644
--- a/.github/sync-repo-settings.yaml
+++ b/.github/sync-repo-settings.yaml
@@ -27,10 +27,10 @@ branchProtectionRules:
     requiredStatusCheckContexts:
       - "cla/google"
       - "lint"
-      - "integration-test-pr-py39 (llamaindex-alloydb-testing)"
       - "integration-test-pr-py310 (llamaindex-alloydb-testing)"
       - "integration-test-pr-py311 (llamaindex-alloydb-testing)"
       - "integration-test-pr-py312 (llamaindex-alloydb-testing)"
+      - "integration-test-pr-py313 (llamaindex-alloydb-testing)"
       - "conventionalcommits.org"
       - "header-check"
     # - Add required status checks like presubmit tests
diff --git a/DEVELOPER.md b/DEVELOPER.md
index e65c140..62ce183 100644
--- a/DEVELOPER.md
+++ b/DEVELOPER.md
@@ -82,11 +82,11 @@ These tests are registered as required tests in `.github/sync-repo-settings.yaml
 
 #### Trigger Setup
 
-Cloud Build triggers (for Python versions 3.9 to 3.11) were created with the following specs:
+Cloud Build triggers (for Python versions 3.10 to 3.13) were created with the following specs:
 
 ```YAML
-name: pg-integration-test-pr-py39
-description: Run integration tests on PR for Python 3.9
+name: pg-integration-test-pr-py310
+description: Run integration tests on PR for Python 3.10
 filename: integration.cloudbuild.yaml
 github:
   name: llamaindex-alloydb-pg-python
@@ -103,7 +103,7 @@ substitutions:
   _DATABASE_ID: <ADD_VALUE>
   _INSTANCE_ID: <ADD_VALUE>
   _REGION: us-central1
-  _VERSION: "3.9"
+  _VERSION: "3.10"
 ```
 
 Use `gcloud builds triggers import --source=trigger.yaml` to create triggers via the command line
diff --git a/README.rst b/README.rst
index f990104..8d0520c 100644
--- a/README.rst
+++ b/README.rst
@@ -55,7 +55,7 @@ dependencies.
 Supported Python Versions
 ^^^^^^^^^^^^^^^^^^^^^^^^^
 
-Python >= 3.9
+Python >= 3.10
 
 Mac/Linux
 ^^^^^^^^^
diff --git a/integration.cloudbuild.yaml b/integration.cloudbuild.yaml
index 3749777..7002ef1 100644
--- a/integration.cloudbuild.yaml
+++ b/integration.cloudbuild.yaml
@@ -74,7 +74,7 @@ availableSecrets:
       env: "IAM_ACCOUNT"
 
 substitutions:
-  _VERSION: "3.9"
+  _VERSION: "3.10"
   _INSTANCE_CONNECTION_NAME: projects/${PROJECT_ID}/locations/${_REGION}/clusters/${_CLUSTER_ID}/instances/${_INSTANCE_ID}
   _DATABASE_PORT: "5432"
   _IP_ADDRESS: "127.0.0.1"
diff --git a/pyproject.toml b/pyproject.toml
index afca7d3..242189c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,13 +4,12 @@ dynamic = ["version"]
 description = "LlamaIndex integrations for Google Cloud AlloyDB for PostgreSQL"
 readme = "README.rst"
 license = {file = "LICENSE"}
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 authors = [
     {name = "Google LLC", email = "googleapis-packages@google.com"}
 ]
 dependencies = [
-    "google-cloud-alloydb-connector[asyncpg]>=1.2.0, <1.9.1; python_version <= '3.9'",
-    "google-cloud-alloydb-connector[asyncpg]>=1.2.0, <2.0.0; python_version >= '3.10'",
+    "google-cloud-alloydb-connector[asyncpg]>=1.2.0, <2.0.0",
     "pgvector>=0.2.5, <1.0.0",
     "SQLAlchemy[asyncio]>=2.0.25, <3.0.0",
     "llama-index-core>=0.12.0, <1.0.0",
@@ -21,10 +20,10 @@ 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",
+    "Programming Language :: Python :: 3.13",
 ]
 
 [tool.setuptools.dynamic]
@@ -39,11 +38,9 @@ Changelog = "https://github.com/googleapis/llama-index-alloydb-pg-python/blob/ma
 [project.optional-dependencies]
 test = [
     "black[jupyter]==25.11.0",
-    "isort==6.1.0; python_version == '3.9'",
-    "isort==7.0.0; python_version >= '3.10'",
+    "isort==7.0.0",
     "mypy==1.18.2",
-    "pytest-asyncio==1.2.0; python_version == '3.9'",
-    "pytest-asyncio==1.3.0; python_version >= '3.10'",
+    "pytest-asyncio==1.3.0",
     "pytest==8.4.2",
     "pytest-cov==7.0.0",
     "pytest-depends==1.0.1",
@@ -57,13 +54,13 @@ build-backend = "setuptools.build_meta"
 asyncio_default_fixture_loop_scope = "class"
 
 [tool.black]
-target-version = ['py39']
+target-version = ['py310']
 
 [tool.isort]
 profile = "black"
 
 [tool.mypy]
-python_version = "3.9"
+python_version = "3.10"
 warn_unused_configs = true
 disallow_incomplete_defs = true
 
diff --git a/requirements.txt b/requirements.txt
index d53a33f..cd02112 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,4 @@
-google-cloud-alloydb-connector[asyncpg]==1.10.0; python_version >= "3.10"
-google-cloud-alloydb-connector[asyncpg]==1.9.1; python_version <= "3.9"
+google-cloud-alloydb-connector[asyncpg]==1.10.0
 llama-index-core==0.14.8
 pgvector==0.4.1
 SQLAlchemy[asyncio]==2.0.44