diff --git a/build-constraints.yaml b/build-constraints.yaml
index bbf70378d..800ae8108 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -10390,6 +10390,7 @@ expected-test-failures:
     - ap-normalize # 0.1.0.1 ghc-9.6
     - astro # 0.4.3.0 https://github.com/aligusnet/astro/issues/8
     - generics-eot # 0.4.0.1 ghc-9.6
+    - percent-format # 0.0.2 ghc-9.6 https://github.com/rudymatela/percent-format/issues/1
     - pvar # 1.0.0.0 ghc-9.6
 
     # Intermittent failures or unreliable. These tests may pass when