diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 63a7396..d98f765 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-        - '3.9'
         - '3.10'
         - '3.11'
         - '3.12'
diff --git a/CHANGES.md b/CHANGES.md
index f9d7046..55da428 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,4 +1,8 @@
 
+## 0.12.0 (2025-09-17)
+
+* remove python 3.9 support
+
 ## 0.11.2 (2025-09-09)
 
 * fix statistics for Raster with Nan/Inf values and missing Nodata
diff --git a/pyproject.toml b/pyproject.toml
index 2a811c9..6cbcba1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,7 +2,7 @@
 name = "rio-stac"
 description = "Create STAC Items from raster datasets."
 readme = "README.md"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 license = {file = "LICENSE"}
 authors = [
     {name = "Vincent Sarago", email = "vincent@developmentseed.com"},
@@ -11,7 +11,6 @@ classifiers = [
     "Intended Audience :: Information Technology",
     "Intended Audience :: Science/Research",
     "License :: OSI Approved :: BSD License",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",