diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7cbbf297..4cb407f0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3447,7 +3447,8 @@ expected-test-failures:
     - language-lua2 # https://github.com/mitchellwrosen/language-lua2/issues/4
     - picosat # https://github.com/fpco/stackage/pull/2382
     - sourcemap # https://github.com/chrisdone/sourcemap/issues/3
-    - text-ldap # # https://github.com/khibino/haskell-text-ldap/issues/1
+    - text-ldap # https://github.com/khibino/haskell-text-ldap/issues/1
+    - text-show # https://github.com/fpco/stackage/issues/2436
     - thyme # https://github.com/liyang/thyme/issues/50
     - tries # https://github.com/athanclark/tries/issues/2
     - vector-algorithms # http://hub.darcs.net/dolio/vector-algorithms/issue/9