diff --git a/build-constraints.yaml b/build-constraints.yaml
index 8210046e..dc5994be 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2732,6 +2732,10 @@ packages:
 
         # https://github.com/fpco/stackage/issues/2148
         - rattletrap < 2.1.0
+
+        # Temporary for doctest debugging
+        - cryptohash < 0.11.9
+        - protolude < 0.1.10
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of