diff --git a/amplpy/__init__.py b/amplpy/__init__.py
index 07a938a..fe583e4 100644
--- a/amplpy/__init__.py
+++ b/amplpy/__init__.py
@@ -42,7 +42,7 @@
 except Exception:
     pass
 
-__version__ = "0.13.1b0"
+__version__ = "0.13.1"
 
 
 def _list_aliases():
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 5af935e..33caf29 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-amplpy==0.13.1b0
+amplpy==0.13.1
 ampl-sphinx-theme @ git+https://github.com/ampl/ampl.github.io.git#subdirectory=ampl-sphinx-theme
 sphinx==4.2.0
 myst_parser>=0.17.0
diff --git a/setup.py b/setup.py
index 8b6548d..965451e 100644
--- a/setup.py
+++ b/setup.py
@@ -165,7 +165,7 @@ def link_args():
 
 setup(
     name="amplpy",
-    version="0.13.1b0",
+    version="0.13.1",
     description="Python API for AMPL",
     long_description=__doc__,
     long_description_content_type="text/markdown",