diff --git a/action/Dockerfile b/action/Dockerfile
index 786e91d..dd11b6a 100644
--- a/action/Dockerfile
+++ b/action/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.11-alpine3.18
+FROM python:3.13-alpine3.21
 
 # Setup base
 RUN \
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 7673181..807891e 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.11-alpine3.18
+FROM python:3.13-alpine3.21
 
 # Setup base
 RUN \
diff --git a/setup.py b/setup.py
index e09eb08..b4af184 100644
--- a/setup.py
+++ b/setup.py
@@ -26,9 +26,9 @@ setup(
         "Intended Audience :: Developers",
         "License :: OSI Approved :: MIT License",
         "Programming Language :: Python",
-        "Programming Language :: Python :: 3.8",
-        "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",
         "Programming Language :: Python :: 3",
         "Topic :: Software Development :: Build Tools",
         "Topic :: Utilities",