diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..961290c
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,13 @@
+# pyproject.toml
+[project]
+name = "tictactoe"
+version = "0.1.0"
+description = "Classic Tic-Tac-Toe game environment built for TextArena."
+dependencies = [
+    "textarena>=0.7.3",   # core framework
+]
+
+[openverse]
+entry_point = "env:TicTacToeEnv"
+tags = ["2-player", "logic", "reasoning"]
+author = "bobbycxy"