diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 4ad9833..46cde30 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -6,4 +6,11 @@ repos:
 -   repo: https://github.com/pre-commit/mirrors-mypy
     rev: v1.1.1
     hooks:
-    -   id: mypy
\ No newline at end of file
+    -   id: mypy
+-   repo: local
+    hooks:
+    -   id: elm-format
+        name: elm-format
+        entry: elm-format --yes
+        language: system
+        files: .*\.elm
\ No newline at end of file