1 files changed, 1 insertions, 1 deletions

diff --git a/xtask/src/main.rs b/xtask/src/main.rs
index 16bddfb28..c46eaa407 100644
--- a/xtask/src/main.rs
+++ b/xtask/src/main.rs
@@ -19,7 +19,7 @@ use xtask::{
 };
 
 // Latest stable, feel free to send a PR if this lags behind.
-const REQUIRED_RUST_VERSION: u32 = 38;
+const REQUIRED_RUST_VERSION: u32 = 39;
 
 struct InstallOpt {
     client: Option<ClientOpt>,