diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0b50cb74..ef2e6917 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2094,6 +2094,9 @@ expected-test-failures:
     # https://github.com/fpco/stackage/issues/917
     - dbmigrations
 
+    # https://github.com/mrkkrp/htaglib/issues/2
+    - htaglib
+
 # end of expected-test-failures