diff --git a/build-constraints.yaml b/build-constraints.yaml
index 915cefbf..c756f817 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2878,6 +2878,9 @@ expected-test-failures:
     # https://github.com/athanclark/tries/issues/2
     - tries
 
+    # https://github.com/fpco/stackage/issues/1880
+    - hOpenPGP
+
 # end of expected-test-failures
 
 # Benchmarks which are known not to build. Note that, currently we do not run