diff --git a/pkg/meta.yaml b/pkg/meta.yaml
index 7d2f77c5..29821437 100644
--- a/pkg/meta.yaml
+++ b/pkg/meta.yaml
@@ -3,7 +3,7 @@
 
 package:
   name: pyepo
-  version: 0.3.9b
+  version: 0.3.9
 
 source:
   path: ./
@@ -21,7 +21,7 @@ channels:
 
 requirements:
   host:
-    - python >=3.7,<=3.11
+    - python >=3.9
     - pip
     - numpy >=1.22
     - scipy
diff --git a/pkg/setup.py b/pkg/setup.py
index fea09694..b524469a 100644
--- a/pkg/setup.py
+++ b/pkg/setup.py
@@ -17,15 +17,13 @@
     long_description=long_description,
     long_description_content_type="text/markdown",
     # version
-    version = "0.3.9b",
+    version = "0.3.9",
     # Github repo
     url = "https://github.com/khalil-research/PyEPO",
     # author name
     author = "Bo Tang",
     # mail address
     author_email = "bolucas.tang@mail.utoronto.ca",
-    # python version
-    python_requires='>=3.7, <=3.11'
     # dependencies
     install_requires = [
         "numpy",