diff --git a/build-constraints.yaml b/build-constraints.yaml
index 10d68945..7c57cdaa 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2915,7 +2915,7 @@ packages:
         - flac
         - flac-picture
         - forma
-        - ghc-syntax-highlighter
+        - ghc-syntax-highlighter < 0.0.13 # drop bound for ghc-9.12
         - hspec-megaparsec
         - htaglib
         - html-entity-map