diff --git a/build-constraints.yaml b/build-constraints.yaml
index 4613281b..ea96f239 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -853,7 +853,11 @@ packages:
     
     "Tim Baumann <tim@timbaumann.info> @timjb":
         - aeson-schema
-        
+
+    "David Fox <dsf@seereason.com> @ddssff":
+        - debian
+        - cabal-debian
+
     "Stackage upper bounds":
         # GHC 7.8 uppdate bound
         - haddock-api < 2.16
@@ -953,6 +957,11 @@ package-flags:
     arbtt:
         old-locale: true
 
+    debian:
+        pretty-new: false
+    cabal-debian:
+        pretty-112: false
+
 # By skipping a test suite, we do not pull in the build dependencies
 skipped-tests:
     - ReadArgs # old version of hspec