diff --git a/bitreq/src/connection/rustls_stream.rs b/bitreq/src/connection/rustls_stream.rs
index 62602b0f..db7d1f82 100644
--- a/bitreq/src/connection/rustls_stream.rs
+++ b/bitreq/src/connection/rustls_stream.rs
@@ -17,7 +17,7 @@ use rustls::{self, ClientConfig, ClientConnection, RootCertStore, StreamOwned};
 use tokio_native_tls::TlsConnector as AsyncTlsConnector;
 #[cfg(any(feature = "async-https-rustls", feature = "async-https-rustls-probe"))]
 use tokio_rustls::{client::TlsStream, TlsConnector};
-#[cfg(feature = "rustls-webpki")]
+#[cfg(feature = "webpki-roots")]
 use webpki_roots::TLS_SERVER_ROOTS;
 
 #[cfg(any(feature = "async-https-rustls", feature = "async-https-rustls-probe"))]
@@ -41,7 +41,7 @@ fn build_client_config() -> Arc<ClientConfig> {
         let _ = root_certificates.add(cert);
     }
 
-    #[cfg(feature = "rustls-webpki")]
+    #[cfg(feature = "webpki-roots")]
     root_certificates.extend(TLS_SERVER_ROOTS.iter().cloned());
 
     let config =
diff --git a/bitreq/tests/url_properties.rs b/bitreq/tests/url_properties.rs
index 508bac0c..47dff34c 100644
--- a/bitreq/tests/url_properties.rs
+++ b/bitreq/tests/url_properties.rs
@@ -333,7 +333,7 @@ proptest! {
         ctrl_char in 0u8..32u8,
         suffix in "[a-z]{0,10}"
     ) {
-        if ctrl_char.is_ascii_whitespace() && suffix.is_empty() {
+        if char::from(ctrl_char).is_whitespace() && suffix.is_empty() {
             return Ok(());
         }
         let invalid_url = format!("{}{}{}", prefix, ctrl_char as char, suffix);