diff --git a/runtime/queries/purescript/highlights.scm b/runtime/queries/purescript/highlights.scm
index bbfdf16e7..86deb48f6 100644
--- a/runtime/queries/purescript/highlights.scm
+++ b/runtime/queries/purescript/highlights.scm
@@ -56,9 +56,13 @@
    "="
    "|"
    "::"
+   "∷"
    "=>"
+   "⇒"
    "->"
+   "→"
    "<-"
+   "←"
    "\\"
    "`"
    "@"