diff --git a/build-constraints.yaml b/build-constraints.yaml
index d488a03c..74b334fb 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1676,7 +1676,7 @@ packages:
         # - pipes-illumina # via: pipes-bgzf
         - seqalign
         - thermonuc
-        - xlsior
+        # - xlsior # https://github.com/eurekagenomics/xlsior/issues/3
 
     "John Lenz <wuzzeb@gmail.com> @wuzzeb":
         - yesod-auth-account