diff --git a/build-constraints.yaml b/build-constraints.yaml
index efab8a33..d9ee7832 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1312,7 +1312,8 @@ packages:
 
     "Kostiantyn Rybnikov <k-bx@k-bx.com> @k-bx":
         - protocol-buffers
-        - hprotoc
+        # Temproary block: https://github.com/k-bx/protocol-buffers/issues/18
+        # - hprotoc
         - protocol-buffers-descriptor
         - ekg-core
         - digits