diff --git a/build-constraints.yaml b/build-constraints.yaml
index 008795a6..5d45e63f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2633,6 +2633,9 @@ packages:
         # https://github.com/fpco/stackage/issues/1994
         - hspec-wai < 0.8.0
 
+        # https://github.com/fpco/stackage/issues/1995
+        - scalpel < 0.4.0
+
 # end of packages
 
 
@@ -2766,6 +2769,7 @@ skipped-tests:
     - vector # https://github.com/haskell/vector/commit/31edb3fc51e76facc1e291f1e9e721663d91dbd8
     - zlib # 0.6.1.1-r3 https://github.com/haskell/zlib/issues/2
     - snap # QuickCheck 2.9
+    - terminal-progress-bar # depends on older version of itself
 
     # Transitive outdated dependencies
     # These packages