diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 5b5c810f..dfd47d80 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -27,3 +27,4 @@ repos:
     rev: "v3.0.3"
     hooks:
       - id: prettier
+        # Exclude are in .prettierignore
diff --git a/.prettierignore b/.prettierignore
index f013f566..ec4ef952 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -2,3 +2,4 @@ archive
 _site
 web/themes/smtcomp/layouts/
 web/content/solver_submission/schema.html
+submissions/*.json