diff --git a/CODEOWNERS b/CODEOWNERS
index 645c207c9cda..32ae698aa9e0 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -8,5 +8,9 @@
 /operator/ @grafana/loki-team @periklis @xperimental
 /.github/workflows/operator* @grafana/loki-team @periklis @xperimental
 
+# Logql grammar
+# The observability logs team is listed as co-codeowner for grammar file. This is to receive notifications about updates, so these can be implemented in https://github.com/grafana/lezer-logql
+/pkg/logql/syntax/expr.y @grafana/observability-logs @grafana/loki-team
+
 # No owners - allows sub-maintainers to merge changes.
 CHANGELOG.md