diff --git a/build-constraints.yaml b/build-constraints.yaml
index 3dd0e63a..b26f2448 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3279,9 +3279,12 @@ packages:
         - hledger-ui < 1.3
         - hledger-web < 1.3
 
-        # https://github.com/fpco/stackage/issues/2631
-        - protocol-buffers == 2.4.0
-        
+        # https://github.com/fpco/stackage/issues/2635
+        - cryptonite < 0.24
+
+        # https://github.com/fpco/stackage/issues/2636
+        - hashable < 1.2.6.1
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of
@@ -3546,6 +3549,9 @@ skipped-tests:
     # wrong package.yaml file
     - teardown # https://github.com/roman/Haskell-teardown/issues/1
 
+    # waiting for QuickCheck == 2.10.*
+    - integer-logarithms
+
 # end of skipped-tests
 
 # Tests which we should build and run, but which are expected to fail. We