diff --git a/build-constraints.yaml b/build-constraints.yaml
index eca0fcca..0b4c1935 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5257,6 +5257,7 @@ expected-test-failures:
     - squeal-postgresql # https://github.com/fpco/stackage/issues/3180
     - text-icu # https://github.com/bos/text-icu/issues/32
     - text-ldap # https://github.com/khibino/haskell-text-ldap/issues/1
+    - text-show-instances # https://github.com/RyanGlScott/text-show-instances/issues/11
     - unicode-transforms # https://github.com/harendra-kumar/unicode-transforms/issues/15
     - vector-algorithms # http://hub.darcs.net/dolio/vector-algorithms/issue/9
     - vivid-supercollider # https://github.com/commercialhaskell/stackage/issues/4250