diff --git a/build-constraints.yaml b/build-constraints.yaml
index 50ea6664..6f8530af 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4747,6 +4747,7 @@ packages:
       # https://github.com/commercialhaskell/stackage/issues/5257
       - ghc-lib-parser < 8.10.1.20200324
       - ghc-lib < 8.10.1.20200324
+      - ghc-syntax-highlighter < 0.0.6.0
 
       # https://github.com/commercialhaskell/stackage/issues/5293
       - haddock-library < 1.9.0