diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 96c89aa..e924fa4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -61,6 +61,12 @@ jobs:
           command: fmt
           args: --check
 
+      - name: cargo doc
+        uses: actions-rs/cargo@v1
+        with:
+          command: doc
+          args: --no-deps --config 'build.rustdocflags="-D warnings"'
+
       - name: cargo clippy
         uses: actions-rs/cargo@v1
         with: