diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7ce4323b..d67530b7 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3234,6 +3234,9 @@ packages:
         - blaze-html < 0.9
         - blaze-markup < 0.8
 
+        # https://github.com/tfausak/autoexporter/issues/4
+        - autoexporter < 1.0
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of