diff --git a/macros/Cargo.toml b/macros/Cargo.toml
index 1de6890..99baa1e 100644
--- a/macros/Cargo.toml
+++ b/macros/Cargo.toml
@@ -3,6 +3,12 @@ name = "com_macros"
 version = "0.1.0"
 authors = ["Microsoft Corp."]
 edition = "2018"
+description = """
+COM crate macros
+"""
+license = "MIT"
+keywords = ["windows", "ffi", "com", "macros"]
+repository = "https://github.com/microsoft/com-rs"
 autotests = false
 
 [lib]
diff --git a/macros/support/Cargo.toml b/macros/support/Cargo.toml
index f87caf6..f208d32 100644
--- a/macros/support/Cargo.toml
+++ b/macros/support/Cargo.toml
@@ -3,6 +3,12 @@ name = "com_macros_support"
 version = "0.1.0"
 authors = ["Microsoft Corp."]
 edition = "2018"
+description = """
+Support library for COM crate macros
+"""
+license = "MIT"
+keywords = ["windows", "ffi", "com", "macros"]
+repository = "https://github.com/microsoft/com-rs"
 
 [dependencies]
 syn = { version = "1.0.5", features = ["full"] }