diff --git a/pyproject.toml b/pyproject.toml
index d2089f9..4dbcb53 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "sustaingym"
-version = "0.1.3"
+version = "0.1.4"
 authors = [
   { name="Christopher Yeh", email="cyeh@caltech.edu" },
 ]