From 8bd2194010a0079f9413f591be5ec7ab626b1fc3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tim=20Swe=C3=B1a=20=28Swast=29?= <tswast@gmail.com>
Date: Mon, 30 Mar 2026 11:17:55 -0500
Subject: [PATCH] deps(pandas-gbq): drop Python 3.9

---
 packages/pandas-gbq/setup.py                  | 11 ++++-----
 .../pandas-gbq/testing/constraints-3.10.txt   | 23 +++++++++++++++++++
 .../pandas-gbq/testing/constraints-3.9.txt    | 23 -------------------
 3 files changed, 28 insertions(+), 29 deletions(-)
 delete mode 100644 packages/pandas-gbq/testing/constraints-3.9.txt

diff --git a/packages/pandas-gbq/setup.py b/packages/pandas-gbq/setup.py
index 28dc0b7aa6e4..36230bd8afb0 100644
--- a/packages/pandas-gbq/setup.py
+++ b/packages/pandas-gbq/setup.py
@@ -23,9 +23,9 @@
 dependencies = [
     "setuptools",
     "db-dtypes >=1.0.4,<2.0.0",
-    "numpy >=1.18.1",
-    "pandas >=1.1.4",
-    "pyarrow >= 4.0.0",
+    "numpy >=1.26.4",
+    "pandas >=1.5.3",
+    "pyarrow >= 12.0.0",
     # See https://arrow.apache.org/release/22.0.0.html
     "pyarrow >= 22.0.0; python_version >= '3.14'",
     "pydata-google-auth >=1.5.0",
@@ -46,7 +46,7 @@
         "google-cloud-bigquery-storage >=2.16.2, <3.0.0",
     ],
     "tqdm": ["tqdm>=4.23.0"],
-    "geopandas": ["geopandas>=0.9.0", "Shapely>=1.8.4"],
+    "geopandas": ["geopandas>=0.14.4", "Shapely>=1.8.5"],
 }
 
 # Setup boilerplate below this line.
@@ -88,7 +88,6 @@
         "License :: OSI Approved :: BSD 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",
@@ -102,7 +101,7 @@
     packages=packages,
     install_requires=dependencies,
     extras_require=extras,
-    python_requires=">=3.9",
+    python_requires=">=3.10",
     include_package_data=True,
     zip_safe=False,
 )
diff --git a/packages/pandas-gbq/testing/constraints-3.10.txt b/packages/pandas-gbq/testing/constraints-3.10.txt
index e69de29bb2d1..6c41ddbbb426 100644
--- a/packages/pandas-gbq/testing/constraints-3.10.txt
+++ b/packages/pandas-gbq/testing/constraints-3.10.txt
@@ -0,0 +1,23 @@
+# This constraints file is used to check that lower bounds
+# are correct in setup.py
+# List *all* library dependencies and extras in this file.
+# Pin the version to the lower bound.
+#
+# e.g., if setup.py has "foo >= 1.14.0, < 2.0.0dev",
+# Then this file should have foo==1.14.0
+db-dtypes==1.0.4
+numpy==1.26.4
+pandas==1.5.3
+psutil==5.9.8
+pyarrow==12.0.0
+pydata-google-auth==1.5.0
+google-api-core==2.15.0
+google-auth==2.14.1
+google-auth-oauthlib==0.7.0
+google-cloud-bigquery==3.20.0
+packaging==22.0.0
+# Extras
+google-cloud-bigquery-storage==2.16.2
+tqdm==4.23.0
+geopandas==0.14.4
+Shapely==1.8.5
diff --git a/packages/pandas-gbq/testing/constraints-3.9.txt b/packages/pandas-gbq/testing/constraints-3.9.txt
deleted file mode 100644
index aff46b2823db..000000000000
--- a/packages/pandas-gbq/testing/constraints-3.9.txt
+++ /dev/null
@@ -1,23 +0,0 @@
-# This constraints file is used to check that lower bounds
-# are correct in setup.py
-# List *all* library dependencies and extras in this file.
-# Pin the version to the lower bound.
-#
-# e.g., if setup.py has "foo >= 1.14.0, < 2.0.0dev",
-# Then this file should have foo==1.14.0
-db-dtypes==1.0.4
-numpy==1.19.4
-pandas==1.1.4
-psutil==5.9.8
-pyarrow==4.0.0
-pydata-google-auth==1.5.0
-google-api-core==2.15.0
-google-auth==2.14.1
-google-auth-oauthlib==0.7.0
-google-cloud-bigquery==3.20.0
-packaging==22.0.0
-# Extras
-google-cloud-bigquery-storage==2.16.2
-tqdm==4.23.0
-geopandas==0.9.0
-Shapely==1.8.4