diff --git a/build-constraints.yaml b/build-constraints.yaml
index 46e482b1..2ef68325 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3163,6 +3163,9 @@ packages:
         # https://github.com/fpco/stackage/issues/3152
         - EdisonCore < 1.3.2
 
+        # https://github.com/fpco/stackage/issues/3153
+        - megaparsec < 6.4
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of