diff --git a/pyproject.toml b/pyproject.toml
index 299421d..5cd0d0e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,6 @@ classifiers = [
 dependencies = [
         "rattail",
         "rattail-corepos",
-        "six",
         "Tailbone",
 ]