diff --git a/build-constraints.yaml b/build-constraints.yaml
index a87a3bc8..5310a7b5 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3109,6 +3109,9 @@ packages:
 
         # https://github.com/fpco/stackage/issues/3094
         - skylighting < 0.5
+
+        # https://github.com/fpco/stackage/issues/3095
+        - leancheck < 0.7.0
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of