diff --git a/build-constraints.yaml b/build-constraints.yaml
index 33aefab0..9a41d7fb 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -413,8 +413,7 @@ packages:
         - Rasterific
         - svg-tree
         - rasterific-svg
-        # https://github.com/Twinside/asciidiagram/issues/4
-        # - asciidiagram
+        - asciidiagram
 
     "Patrick Brisbin @pbrisbin":
         - gravatar