diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index fe46607..5f93ce1 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -14,4 +14,6 @@ repos:
   rev: master
   hooks:
   - id: fmt
+    files: \.rs$
   - id: cargo-check
+    files: \.rs$