diff --git a/pyproject.toml b/pyproject.toml
index ee6b3bb..2f68970 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,6 @@ classifiers = [
     "Intended Audience :: Science/Research",
     "Operating System :: OS Independent",
     "Programming Language :: Python",
-    "Programming Language :: Python:: 3",
     "Programming Language :: Python :: 3.6",
     "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",