diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7b391b23..7a5bea1f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5590,6 +5590,7 @@ packages:
         - ghc-events
         - ghc-paths
         - ghc-prof
+        - ghc-tcplugin-api
         - ghcjs-dom-jsaddle
         - git-lfs
         - gitlib < 0 # 3.1.3 https://github.com/jwiegley/gitlib/issues/112
@@ -8056,6 +8057,7 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/7841
         - ghc-typelits-natnormalise < 0.8.0
         - ghc-typelits-knownnat < 0.8.0
+        - ghc-tcplugin-api < 0.18
 
         # https://github.com/commercialhaskell/stackage/issues/7846
         - unicode-data < 0.7