2 files changed, 2 insertions, 1 deletions

diff --git a/xtask/src/install.rs b/xtask/src/install.rs
index d829790d7..fcc4f05e4 100644
--- a/xtask/src/install.rs
+++ b/xtask/src/install.rs
@@ -7,7 +7,7 @@ use anyhow::{bail, format_err, Context, Result};
 use crate::not_bash::{pushd, run};
 
 // Latest stable, feel free to send a PR if this lags behind.
-const REQUIRED_RUST_VERSION: u32 = 46;
+const REQUIRED_RUST_VERSION: u32 = 47;
 
 pub struct InstallCmd {
     pub client: Option<ClientOpt>,
diff --git a/xtask/tests/tidy.rs b/xtask/tests/tidy.rs
index 01f04a17c..0c233f87d 100644
--- a/xtask/tests/tidy.rs
+++ b/xtask/tests/tidy.rs
@@ -123,6 +123,7 @@ ISC
 MIT
 MIT / Apache-2.0
 MIT OR Apache-2.0
+MIT OR Zlib OR Apache-2.0
 MIT/Apache-2.0
 Unlicense OR MIT
 Unlicense/MIT