diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fc6a3b7..59f32c6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ env:
 
 jobs:
   build_and_test:
-    name: Rust project - latest
+    name: Build & Test
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -20,8 +20,20 @@ jobs:
           - nightly
     steps:
       - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
       - run: rustup update ${{ matrix.toolchain }} && rustup default ${{ matrix.toolchain }}
       - run: cargo build --verbose
       - run: cargo test --verbose
       - run: cargo build --all-features --verbose
       - run: cargo test --all-features --verbose
+
+  build_docs:
+    name: Docs
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - run: rustup update nightly && rustup default nightly
+      - run: RUSTDOCFLAGS="--cfg doc_cfg" cargo +nightly doc --all-features
diff --git a/Cargo.toml b/Cargo.toml
index c40382b..1483b9c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,8 +12,9 @@ authors = ["Chielo Newctle <ChieloNewctle@gmail.com>"]
 exclude = ["release-plz.toml", "cliff.tolm"]
 
 [package.metadata.docs.rs]
+# RUSTDOCFLAGS="--cfg doc_cfg" cargo +nightly doc --all-features
 all-features = true
-rustdoc-args = ["--cfg", "docsrs"]
+rustdoc-args = ["--cfg", "doc_cfg"]
 
 [lib]
 name = "general_sam"
diff --git a/src/lib.rs b/src/lib.rs
index f9093ef..e212ee1 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -95,6 +95,7 @@
 //!
 //! [paper]: https://doi.org/10.1016/j.tcs.2009.03.034
 //! [general-sam-oi-wiki]: https://oi-wiki.org/string/general-sam/
+#![cfg_attr(doc_cfg, feature(doc_cfg))]
 
 pub mod sam;
 pub mod trie_alike;
@@ -108,10 +109,10 @@ pub use {
 };
 
 #[cfg(feature = "trie")]
-#[cfg_attr(docsrs, doc(cfg(feature = "trie")))]
+#[cfg_attr(doc_cfg, doc(cfg(feature = "trie")))]
 pub mod trie;
 #[cfg(feature = "trie")]
-#[cfg_attr(docsrs, doc(cfg(feature = "trie")))]
+#[cfg_attr(doc_cfg, doc(cfg(feature = "trie")))]
 pub use trie::{Trie, TrieNode, TrieNodeID, TrieState, TRIE_NIL_NODE_ID, TRIE_ROOT_NODE_ID};
 
 #[cfg(test)]