diff --git a/docs/source/conf.py b/docs/source/conf.py
index a7a3c803a67..4f88314f68c 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -71,7 +71,7 @@
 # The short X.Y version.
 version = "0.13"
 # The full version, including alpha/beta/rc tags.
-release = "0.13.1-dev"
+release = "0.13.1"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/include/openmc/version.h.in b/include/openmc/version.h.in
index e1c2b0541a5..a518e0d63b0 100644
--- a/include/openmc/version.h.in
+++ b/include/openmc/version.h.in
@@ -10,7 +10,7 @@ namespace openmc {
 constexpr int VERSION_MAJOR {@OPENMC_VERSION_MAJOR@};
 constexpr int VERSION_MINOR {@OPENMC_VERSION_MINOR@};
 constexpr int VERSION_RELEASE {@OPENMC_VERSION_RELEASE@};
-constexpr bool VERSION_DEV {true};
+constexpr bool VERSION_DEV {false};
 constexpr std::array<int, 3> VERSION {VERSION_MAJOR, VERSION_MINOR, VERSION_RELEASE};
 // clang-format on
 
diff --git a/openmc/__init__.py b/openmc/__init__.py
index e63e9e4d167..7ed9009a2eb 100644
--- a/openmc/__init__.py
+++ b/openmc/__init__.py
@@ -37,4 +37,4 @@
 from openmc.model import rectangular_prism, hexagonal_prism, Model
 
 
-__version__ = '0.13.1-dev'
+__version__ = '0.13.1'