diff --git a/build-constraints.yaml b/build-constraints.yaml
index 9577ecae..da41e3c0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7849,6 +7849,9 @@ packages:
 
         # https://github.com/commercialhaskell/stackage/issues/8009
         - ghc-tcplugin-api < 0.19
+
+        # https://github.com/commercialhaskell/stackage/issues/8011
+        - semialign < 1.4
     # end of Stackage upper bounds
 # end of packages