diff --git a/UPC_VERSION b/UPC_VERSION
new file mode 100644
index 0000000..dc49b87
--- /dev/null
+++ b/UPC_VERSION
@@ -0,0 +1,3 @@
+# This file identifies the associated version of Clang UPC2C,
+# and is for documentation purposes only.
+9.0.1-2