diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index de18b777..7c0b92ec 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -236,7 +236,7 @@ jobs:
       - name: Install toolchain
         uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: "1.63"
+          toolchain: "1.71"
       - run: cargo check --locked --lib --all-features
 
   cross:
diff --git a/Cargo.toml b/Cargo.toml
index 2924925a..eb235049 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@
 categories = ["cryptography", "no-std"]
 description = "Web PKI X.509 Certificate Verification."
 edition = "2021"
-rust-version = "1.63"
+rust-version = "1.71"
 license = "ISC"
 name = "rustls-webpki"
 readme = "README.md"
diff --git a/src/lib.rs b/src/lib.rs
index 1251ffc8..3ed2a8c4 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -31,6 +31,7 @@
 #![deny(missing_docs, clippy::as_conversions)]
 #![allow(
     clippy::len_without_is_empty,
+    clippy::manual_let_else,
     clippy::new_without_default,
     clippy::single_match,
     clippy::single_match_else,