diff --git a/build-constraints.yaml b/build-constraints.yaml
index fb417a4a..f17945a9 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -377,7 +377,8 @@ packages:
         - Rasterific
         - svg-tree
         - rasterific-svg
-        - asciidiagram
+        # https://github.com/fpco/stackage/pull/605
+        # - asciidiagram
 
     "Patrick Brisbin":
         - gravatar