diff --git a/amplpy/__init__.py b/amplpy/__init__.py
index fe583e4..debc3b2 100644
--- a/amplpy/__init__.py
+++ b/amplpy/__init__.py
@@ -42,7 +42,7 @@
 except Exception:
     pass
 
-__version__ = "0.13.1"
+__version__ = "0.13.2b0"
 
 
 def _list_aliases():
diff --git a/setup.py b/setup.py
index 2ab9fb0..6a9ce68 100644
--- a/setup.py
+++ b/setup.py
@@ -165,7 +165,7 @@ def link_args():
 
 setup(
     name="amplpy",
-    version="0.13.1",
+    version="0.13.2b0",
     description="Python API for AMPL",
     long_description=__doc__,
     long_description_content_type="text/markdown",