diff --git a/build-constraints.yaml b/build-constraints.yaml
index ae3c99e6..25c68006 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2279,7 +2279,7 @@ packages:
         - pretty-simple
         - read-env-var
         - servant-checked-exceptions < 0 # https://github.com/cdepillabout/servant-checked-exceptions/issues/29
-        - servant-checked-exceptions-core
+        - servant-checked-exceptions-core < 0 # servant 0.16
         - servant-rawm < 0 # https://github.com/cdepillabout/servant-rawm/issues/9
         - servant-static-th
         - termonad < 0