diff --git a/build-constraints.yaml b/build-constraints.yaml
index 620efdd9..0e2f61c1 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3326,6 +3326,10 @@ packages:
         - rattletrap < 2.5.1
         - inline-c < 0.6.0.0
         - inline-c-cpp < 0.2.0.0
+        - packdeps < 0.4.4
+
+        # https://github.com/fpco/stackage/issues/2661
+        - servant-docs < 0.11
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of