diff --git a/build-constraints.yaml b/build-constraints.yaml
index e633cb3a..73209c40 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3351,9 +3351,12 @@ packages:
         - herms
 
     "Sergey Vinokurov <serg.foo@gmail.com> @sergv":
-        - sexp-grammar
         - tasty-ant-xml
 
+    "Eugene Smolanka <esmolanka@gmail.com> @esmolanka":
+        - sexp-grammar
+        - invertible-grammar
+
     "Maximilian Tagher <feedback.tagher@gmail.com> @MaxGabriel":
         - aeson-iproute
         - persistent-iproute