diff --git a/build-constraints.yaml b/build-constraints.yaml
index 69ccca97..f6993f78 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -9083,7 +9083,6 @@ expected-test-failures:
     - conduit-aeson # https://github.com/commercialhaskell/stackage/issues/6469
     - conduit-connection # 0.1.0.5
     - cryptohash # 0.11.9 Stack builds test and benchmarks in one pass so benchmark could prevent tests from getting built
-    - crypton-x509 # 1.7.6 https://github.com/kazu-yamamoto/crypton-certificate/issues/1
     - do-notation # 0.1.0.2
     - flay # 0.4
     - generic-lens # https://github.com/commercialhaskell/stackage/issues/6377