diff --git a/build-constraints.yaml b/build-constraints.yaml
index f2e494c9..46acd8ba 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1345,6 +1345,7 @@ packages:
     "Christiaan Baaij <christiaan.baaij@gmail.com> @christiaanb":
         - ghc-tcplugins-extra
         - ghc-typelits-extra
+        - ghc-typelits-knownnat
         - ghc-typelits-natnormalise
         - clash-prelude
         - clash-lib