diff --git a/build-constraints.yaml b/build-constraints.yaml
index cbd19aef..c8dda0ca 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4783,6 +4783,9 @@ packages:
 
         # https://github.com/commercialhaskell/stackage/issues/4785
         - ghc-exactprint < 0.6.2
+
+        # https://github.com/commercialhaskell/stackage/issues/4786
+        - shelly < 1.9
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of