1 files changed, 1 insertions, 0 deletions
diff --git a/Cargo.toml b/Cargo.toml
index 6cfd5a4..30e26c0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,6 +7,7 @@ repository = "https://github.com/vhdirk/notmuch-rs"
 description = "Rust interface and bindings for notmuch"
 license = "GPL-3.0+"
 readme = "README.md"
+edition = "2018"
 
 [badges]
 travis-ci = { repository = "vhdirk/notmuch-rs" }