diff --git a/queries/solidity/highlights.scm b/queries/solidity/highlights.scm
index 453d7f710..ca6988edb 100644
--- a/queries/solidity/highlights.scm
+++ b/queries/solidity/highlights.scm
@@ -141,6 +141,7 @@
 
 ; Keywords
 [
+  "abstract"
   "library"
   "is"
   "event"