diff --git a/build-constraints.yaml b/build-constraints.yaml
index 924ea9c2..40211a04 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1063,7 +1063,7 @@ packages:
         - yesod-auth-oauth2 < 0 # hoauth2-1.16.0
         - yesod-markdown < 0 # pandoc
         - yesod-paginator
-        
+
         # Freckle packages I'm maintaining for us
         - bcp47 < 0 # aeson, megaparsec, text
         - bcp47-orphans < 0 # esqueleto, text
@@ -4469,7 +4469,7 @@ packages:
 
     "Alejandro Peralta Bazas <aleperaltabazas@gmail.com> @aleperaltabazas":
         - hocon
-        
+
     "Joshua Booth <joshua.n.booth@gmail.com> @jnbooth":
         - bitwise-enum
 
@@ -5913,6 +5913,9 @@ expected-test-failures:
     # https://github.com/cdornan/fmt/issues/30
     - fmt
 
+    # https://github.com/yesodweb/yesod/issues/1711
+    - yesod-core
+
 # end of expected-test-failures
 
 # Benchmarks which are known not to build. Note that, currently we do not run