diff --git a/build-constraints.yaml b/build-constraints.yaml
index 12354521..b74cce2a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1119,6 +1119,7 @@ packages:
     "trupill@gmail.com":
         - djinn-lib < 0 # build failure with GHC 8.4
         - djinn-ghc < 0 # GHC 8.4 via djinn-lib
+        - generics-mrsop
 
     "Matvey Aksenov <matvey.aksenov@gmail.com> @supki":
         - terminal-size