diff --git a/cmyt/__init__.py b/cmyt/__init__.py
index 5837727..fb55650 100644
--- a/cmyt/__init__.py
+++ b/cmyt/__init__.py
@@ -1,3 +1,3 @@
 from .cm import *
 
-__version__ = "1.3.0"
+__version__ = "1.3.1"
diff --git a/pyproject.toml b/pyproject.toml
index 3e69c9e..7a30001 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,6 @@ classifiers = [
     "Operating System :: POSIX :: AIX",
     "Operating System :: POSIX :: Linux",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3 :: Only",
     "Topic :: Scientific/Engineering :: Visualization",
     "Typing :: Typed",
 ]