diff --git a/build-constraints.yaml b/build-constraints.yaml
index c05aa81b..cbd19aef 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4780,6 +4780,9 @@ packages:
         - singletons < 2.6
         - eliminators < 0.6
         - th-desugar < 1.10
+
+        # https://github.com/commercialhaskell/stackage/issues/4785
+        - ghc-exactprint < 0.6.2
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of