diff --git a/build-constraints.yaml b/build-constraints.yaml
index 8027c864..82e24288 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -6737,6 +6737,10 @@ packages:
       # https://github.com/commercialhaskell/stackage/issues/6204
       - tasty-silver < 3.3
 
+      # https://github.com/commercialhaskell/stackage/issues/6207
+      - megaparsec < 9.2
+      - megaparsec-tests < 9.2
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of