diff --git a/.clippy.toml b/.clippy.toml
index 992016c..53095b1 100644
--- a/.clippy.toml
+++ b/.clippy.toml
@@ -1 +1 @@
-msrv = "1.36"
+msrv = "1.39"
diff --git a/Cargo.toml b/Cargo.toml
index f21492e..a6fa65c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ name = "event-listener"
 version = "2.5.3"
 authors = ["Stjepan Glavina <stjepang@gmail.com>"]
 edition = "2018"
-rust-version = "1.36"
+rust-version = "1.39"
 description = "Notify async tasks or threads"
 license = "Apache-2.0 OR MIT"
 repository = "https://github.com/smol-rs/event-listener"