diff --git a/phper-doc/src/lib.rs b/phper-doc/src/lib.rs
index 92b5c1e..0c3e060 100644
--- a/phper-doc/src/lib.rs
+++ b/phper-doc/src/lib.rs
@@ -12,7 +12,7 @@
 #![warn(clippy::dbg_macro, clippy::print_stdout)]
 #![doc = include_str!("../README.md")]
 #![doc(html_logo_url = "https://avatars.githubusercontent.com/u/112468984?s=200&v=4")]
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 
 pub use phper;
 
diff --git a/phper-test/src/lib.rs b/phper-test/src/lib.rs
index e360907..cde2acf 100644
--- a/phper-test/src/lib.rs
+++ b/phper-test/src/lib.rs
@@ -10,7 +10,7 @@
 
 #![warn(rust_2018_idioms, missing_docs)]
 #![warn(clippy::dbg_macro, clippy::print_stdout)]
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 #![doc = include_str!("../README.md")]
 #![doc(html_logo_url = "https://avatars.githubusercontent.com/u/112468984?s=200&v=4")]
 
diff --git a/phper/src/lib.rs b/phper/src/lib.rs
index eda7998..182afd7 100644
--- a/phper/src/lib.rs
+++ b/phper/src/lib.rs
@@ -12,7 +12,7 @@
 #![warn(clippy::dbg_macro, clippy::print_stdout)]
 #![doc = include_str!("../README.md")]
 #![doc(html_logo_url = "https://avatars.githubusercontent.com/u/112468984?s=200&v=4")]
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 
 #[macro_use]
 mod macros;