diff --git a/build-constraints.yaml b/build-constraints.yaml
index e0801ccb..7f2c5a84 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3199,6 +3199,8 @@ expected-test-failures:
     - path # https://github.com/chrisdone/path/issues/54
 
     - rattletrap # https://github.com/fpco/stackage/issues/2232
+
+    - servant-elm # https://github.com/mattjbray/servant-elm/issues/22
 # end of expected-test-failures
 
 # Benchmarks which are known not to build. Note that, currently we do not run