Add maintenance badge

1 files changed, 1 insertions, 0 deletions

diff --git a/Cargo.toml b/Cargo.toml
index a8c2657..ce6fcce 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,6 +14,7 @@ exclude = ["target/doc/**", ".gitattributes"]
 
 [badges]
 travis-ci = { repository = "staktrace/mailparse", branch = "master" }
+maintenance = { status = "passively-maintained" }
 
 [dependencies]
 base64 = "0.1.1"