diff --git a/build-constraints.yaml b/build-constraints.yaml
index 4941d706..5c519535 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4741,6 +4741,8 @@ packages:
       # https://github.com/commercialhaskell/stackage/issues/5241
       - jira-wiki-markup < 1.1
 
+      # https://github.com/commercialhaskell/stackage/issues/5255
+      - ghc-lib-parser-ex < 8.8.6.0
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of