diff --git a/build-constraints.yaml b/build-constraints.yaml
index 5bf17dba..dc007a1e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -6945,6 +6945,9 @@ packages:
 
       # https://github.com/commercialhaskell/stackage/issues/5983
       - yesod-form < 1.7
+
+      # https://github.com/commercialhaskell/stackage/issues/6006
+      - cryptonite < 0.29
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of