diff --git a/chacha20/src/lib.rs b/chacha20/src/lib.rs
index d9846f71..11fac731 100644
--- a/chacha20/src/lib.rs
+++ b/chacha20/src/lib.rs
@@ -100,7 +100,7 @@
 //! [`chacha20poly1305`]: https://docs.rs/chacha20poly1305
 
 #![no_std]
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 #![doc(
     html_logo_url = "https://raw.githubusercontent.com/RustCrypto/media/8f1a9894/logo.svg",
     html_favicon_url = "https://raw.githubusercontent.com/RustCrypto/media/8f1a9894/logo.svg"
diff --git a/hc-256/src/lib.rs b/hc-256/src/lib.rs
index 43c19192..678242b0 100644
--- a/hc-256/src/lib.rs
+++ b/hc-256/src/lib.rs
@@ -49,7 +49,7 @@
 //! [HC-256]: https://en.wikipedia.org/wiki/HC-256
 
 #![no_std]
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 #![doc(
     html_logo_url = "https://raw.githubusercontent.com/RustCrypto/media/8f1a9894/logo.svg",
     html_favicon_url = "https://raw.githubusercontent.com/RustCrypto/media/8f1a9894/logo.svg"
diff --git a/rabbit/src/lib.rs b/rabbit/src/lib.rs
index 46e9f9b7..48db291e 100644
--- a/rabbit/src/lib.rs
+++ b/rabbit/src/lib.rs
@@ -49,7 +49,7 @@
 //! [Rabbit]: https://tools.ietf.org/html/rfc4503#section-2.3
 
 #![no_std]
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 #![doc(
     html_logo_url = "https://raw.githubusercontent.com/RustCrypto/media/8f1a9894/logo.svg",
     html_favicon_url = "https://raw.githubusercontent.com/RustCrypto/media/8f1a9894/logo.svg"
diff --git a/rc4/src/lib.rs b/rc4/src/lib.rs
index 077abb93..f18bde85 100644
--- a/rc4/src/lib.rs
+++ b/rc4/src/lib.rs
@@ -1,5 +1,5 @@
 #![no_std]
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 #![doc = include_str!("../README.md")]
 #![doc(
     html_logo_url = "https://raw.githubusercontent.com/RustCrypto/media/8f1a9894/logo.svg",
diff --git a/salsa20/src/lib.rs b/salsa20/src/lib.rs
index c75246f0..a5407c73 100644
--- a/salsa20/src/lib.rs
+++ b/salsa20/src/lib.rs
@@ -67,7 +67,7 @@
 //! [Salsa]: https://en.wikipedia.org/wiki/Salsa20
 
 #![no_std]
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 #![doc(
     html_logo_url = "https://raw.githubusercontent.com/RustCrypto/media/8f1a9894/logo.svg",
     html_favicon_url = "https://raw.githubusercontent.com/RustCrypto/media/8f1a9894/logo.svg"