diff --git a/setup.py b/setup.py
index d8b1446932..b43d054fa9 100644
--- a/setup.py
+++ b/setup.py
@@ -144,5 +144,5 @@
         "Operating System :: OS Independent",
     ],
     license="Apache Software License 2.0",
-    python_requires=">=3.8,<3.14",
+    python_requires=">=3.9,<3.14",
 )
diff --git a/setup_ag2.py b/setup_ag2.py
index 209ec33488..0faf959a82 100644
--- a/setup_ag2.py
+++ b/setup_ag2.py
@@ -31,5 +31,5 @@
         "Operating System :: OS Independent",
     ],
     license="Apache Software License 2.0",
-    python_requires=">=3.8,<3.14",
+    python_requires=">=3.9,<3.14",
 )
diff --git a/setup_autogen.py b/setup_autogen.py
index 67925bf5ca..3f30d61fd3 100644
--- a/setup_autogen.py
+++ b/setup_autogen.py
@@ -31,5 +31,5 @@
         "Operating System :: OS Independent",
     ],
     license="Apache Software License 2.0",
-    python_requires=">=3.8,<3.14",
+    python_requires=">=3.9,<3.14",
 )