diff --git a/build-constraints.yaml b/build-constraints.yaml
index d722761f..42c90cb6 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2414,6 +2414,8 @@ packages:
         - proxied
         - rdtsc
         - singleton-nats
+        - singletons-base
+        - singletons-th
         - text-show
         - text-show-instances
         - th-abstraction
@@ -6906,6 +6908,8 @@ packages:
 
       # https://github.com/commercialhaskell/stackage/issues/5923
       - singleton-nats < 0.4.6
+      - singletons-base < 0
+      - singletons-th < 0
 
       # https://github.com/commercialhaskell/stackage/issues/5924
       - singletons < 3