diff --git a/build-constraints.yaml b/build-constraints.yaml
index e0351344..f85f2ddb 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3045,17 +3045,17 @@ packages:
 
     "Daniel Mendler <mail@daniel-mendler.de> @minad":
         - quickcheck-special
-        - writer-cps-mtl
+        - writer-cps-mtl < 0 # https://github.com/minad/writer-cps-mtl/issues/3
         - writer-cps-transformers
         - writer-cps-morph
-        - writer-cps-lens
-        - writer-cps-full
-        - writer-cps-exceptions
+        - writer-cps-lens < 0 # writer-cps-mtl
+        - writer-cps-full < 0 # writer-cps-mtl
+        - writer-cps-exceptions < 0 # https://github.com/minad/writer-cps-mtl/issues/3
         - wl-pprint-annotated
         - wl-pprint-console
         - console-style
         - unlit
-        - intro
+        - intro < 0 # writer-cps-mtl
         - tasty-stats < 0
         - colorful-monoids
         - ihs