diff --git a/METADATA b/METADATA
new file mode 100644
index 0000000..e071c39
--- /dev/null
+++ b/METADATA
@@ -0,0 +1,19 @@
+name: "regex-syntax"
+description: "A regular expression parser."
+third_party {
+  url {
+    type: HOMEPAGE
+    value: "https://crates.io/crates/regex-syntax"
+  }
+  url {
+    type: GIT
+    value: "https://github.com/rust-lang/regex"
+  }
+  version: "0.6.17"
+  license_type: NOTICE
+  last_upgrade_date {
+    year: 2020
+    month: 3
+    day: 31
+  }
+}