diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index aacd542..f0b0af2 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -61,7 +61,7 @@ repos:
     pass_filenames: false
   - id: cargo-doc
     name: cargo-doc
-    entry: cargo doc
+    entry: env RUSTDOCFLAGS="-D warnings" cargo doc
     args: ["--workspace", "--no-deps"]
     language: rust
     types: [rust]