diff --git a/build-constraints.yaml b/build-constraints.yaml
index db5b8119..5148389e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1002,7 +1002,7 @@ packages:
         - perfect-hash-generator
 
     "Alan Zimmerman @alanz":
-        - ghc-exactprint
+        - ghc-exactprint < 1.12
         - hjsmin
         - language-javascript