diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2c08ccfb..fc47014a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -6929,10 +6929,12 @@ packages:
       - persistent-test < 2.12.0.0
       - persistent-typed-db < 0.1.0.3
 
-
       # https://github.com/commercialhaskell/stackage/issues/5969
       - crackNum < 3
 
+      # https://github.com/commercialhaskell/stackage/issues/5975
+      - singleton-bool < 0.1.6
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of