diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2f825ab8..22b20b37 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -461,7 +461,8 @@ packages:
         - pipes-safe
         - turtle
         - foldl
-        - morte
+        # https://github.com/Gabriel439/Haskell-Morte-Library/issues/32
+        - morte < 1.4.0
 
     "Andrew Thaddeus Martin <andrew.thaddeus@gmail.com>":
         - yesod-table