diff --git a/baseclasses/__init__.py b/baseclasses/__init__.py
index c3c6ef7..5b23643 100644
--- a/baseclasses/__init__.py
+++ b/baseclasses/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "1.8.4"
+__version__ = "1.8.5"
 
 from .problems import (
     AeroProblem,
diff --git a/setup.py b/setup.py
index 6864b3e..ed103ff 100644
--- a/setup.py
+++ b/setup.py
@@ -26,8 +26,9 @@
     url="https://github.com/mdolab/baseclasses",
     license="Apache License Version 2.0",
     packages=find_packages(),
+    python_requires=">=3.11",
     install_requires=[
-        "numpy>=1.21",
+        "numpy>=1.25",
     ],
     extras_require={
         "docs": docs_require,