diff --git a/build-constraints.yaml b/build-constraints.yaml
index e3caf92b..d98602d2 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -8436,6 +8436,7 @@ packages:
         - ghc-lib-parser-ex < 9.10
         - ghc-lib < 9.10
         - ormolu < 0.7.5.0
+        - ghc-syntax-highlighter < 0.0.12.0
 
         # ghc-9.10 base-4.20 and template-haskell
         # https://github.com/commercialhaskell/stackage/issues/7418