diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7b6f1f86..30b6e569 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3125,6 +3125,9 @@ packages:
 
         # https://github.com/fpco/stackage/issues/3106
         - brick < 0.30
+
+        # https://github.com/fpco/stackage/issues/3110
+        - megaparsec < 6.3.0
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of