diff --git a/build-constraints.yaml b/build-constraints.yaml
index 93ba880c..548e3548 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3114,6 +3114,8 @@ packages:
 
         # https://github.com/fpco/stackage/issues/3095
         - leancheck < 0.7.0
+        - fitspec < 0.4.4
+        - speculate < 0.3.2
 
         # https://github.com/fpco/stackage/issues/3100
         - universum < 0.9.0