diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2db979b6..12b61025 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1424,7 +1424,6 @@ packages:
     "Silk <code@silk.co>":
         - attoparsec-expr
         - generic-xmlpickler
-        - hxt-pickle-utils
         - imagesize-conduit
         - multipart
         - tostring
@@ -6381,6 +6380,7 @@ packages:
         - servant-swagger < 0 # tried servant-swagger-1.1.10, but its *library* does not support: base-4.15.0.0
         - servant-swagger < 0 # tried servant-swagger-1.1.10, but its *library* does not support: lens-5.0.1
         - servant-swagger < 0 # tried servant-swagger-1.1.10, but its *library* does not support: swagger2-2.7
+        - servant-tracing < 0 # tried servant-tracing-0.2.0.0, but its *library* does not support: aeson-1.5.6.0
         - servant-yaml < 0 # tried servant-yaml-0.1.0.1, but its *library* does not support: base-4.15.0.0
         - servant-yaml < 0 # tried servant-yaml-0.1.0.1, but its *library* does not support: servant-0.18.3
         - serverless-haskell < 0 # tried serverless-haskell-0.12.6, but its *library* requires the disabled package: amazonka-core
@@ -6608,13 +6608,14 @@ packages:
       - forma < 1.2.0
       - hruby < 0.4.0.0
       - hspec-expectations-json < 1.0.0.5
+      - kanji < 3.5
       - microlens-aeson < 2.4
       - mmark-cli < 0.0.5.1
       - postgresql-binary < 0.12.4.2
+      - servant-tracing < 0.2.0.0
       - stache < 2.3.1
       - stripe-scotty < 1.1.0.1
       - stripe-wreq < 1.0.1.12
-      - kanji < 3.5
 
       # https://github.com/commercialhaskell/stackage/issues/6237
       - lucid < 2.9.13