diff --git a/.github/renovate.json5 b/.github/renovate.json5
index 93a38cf3..05a3fdf6 100644
--- a/.github/renovate.json5
+++ b/.github/renovate.json5
@@ -48,12 +48,6 @@
       "matchCurrentVersion": "<=2.2.6",
       "enabled": false
     },
-    {
-      "description": "Disable numpy updates for python <=3.9 in requirements.txt",
-      "matchPackageNames": ["numpy"],
-      "matchCurrentVersion": "<=2.0.2",
-      "enabled": false
-    },
     {
       "description": "Disable numpy updates for python 3.10 in pyproject.toml",
       "matchFileNames": ["pyproject.toml"],
@@ -61,25 +55,11 @@
       "matchCurrentValue": ">=1.24.4, <=2.2.6",
       "enabled": false
     },
-    {
-      "description": "Disable numpy updates for python <=3.9 in pyproject.toml",
-      "matchFileNames": ["pyproject.toml"],
-      "matchPackageNames": ["numpy"],
-      "matchCurrentValue": ">=1.24.4, <=2.0.2",
-      "enabled": false
-    },
     {
       "description": "Use feat commit type for LangChain Postgres dependency updates",
       "matchPackageNames": ["langchain-postgres"],
       "semanticCommitType": "feat",
       "groupName": "langchain-postgres"
     },
-    {
-      "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/DEVELOPER.md b/DEVELOPER.md
index 899f62b6..751df2e7 100644
--- a/DEVELOPER.md
+++ b/DEVELOPER.md
@@ -42,11 +42,11 @@ 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
+description: Run integration tests on PR for Python 3.10
 filename: integration.cloudbuild.yaml
 github:
   name: langchain-google-cloud-sql-pg-python
@@ -64,7 +64,7 @@ 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 9839b661..d1e258c5 100644
--- a/README.rst
+++ b/README.rst
@@ -56,7 +56,7 @@ dependencies.
 Supported Python Versions
 ^^^^^^^^^^^^^^^^^^^^^^^^^
 
-Python >= 3.9
+Python >= 3.10
 
 Mac/Linux
 ^^^^^^^^^
diff --git a/integration.cloudbuild.yaml b/integration.cloudbuild.yaml
index 18414b8e..bc0b0d8f 100644
--- a/integration.cloudbuild.yaml
+++ b/integration.cloudbuild.yaml
@@ -62,7 +62,7 @@ substitutions:
   _DATABASE_PORT: "5432"
   _DATABASE_ID: test-database
   _REGION: us-central1
-  _VERSION: "3.9"
+  _VERSION: "3.10"
   _IP_ADDRESS: "127.0.0.1"
 
 options:
diff --git a/pyproject.toml b/pyproject.toml
index c8232d20..24282b77 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ dynamic = ["version"]
 description = "LangChain integrations for Google Cloud SQL 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"}
 ]
@@ -13,7 +13,6 @@ dependencies = [
     "cloud-sql-python-connector[asyncpg] >= 1.10.0, <2.0.0",
     "numpy>=1.24.4, <3.0.0; python_version >= '3.11'",
     "numpy>=1.24.4, <=2.2.6; python_version == '3.10'",
-    "numpy>=1.24.4, <=2.0.2; python_version <= '3.9'",
     "langchain-postgres>=0.0.16",
 ]
 
@@ -22,10 +21,10 @@ 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]
@@ -43,8 +42,7 @@ langgraph = [
 ]
 test = [
     "black[jupyter]==25.9.0",
-    "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==0.26.0",
     "pytest==8.4.2",
@@ -64,7 +62,7 @@ target-version = ['py39']
 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 9eacfe4b..adf7896c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,5 @@
 cloud-sql-python-connector[asyncpg]==1.18.5
 numpy==2.3.3; python_version >= "3.11"
 numpy==2.2.6; python_version == "3.10"
-numpy==2.0.2; python_version <= "3.9"
 langgraph==0.6.10
 langchain-postgres==0.0.16