diff --git a/build-constraints.yaml b/build-constraints.yaml
index d3b34235..4f807674 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4868,7 +4868,7 @@ packages:
         - valida-base
 
     "Andrew Miller <andrew@amxl.com> @A1kmm":
-        - polysemy-webserver
+        - polysemy-webserver < 0 # 0.2.1.1 # fails to compile (#7017)
 
     "Simon Shine <shreddedglory@gmail.com> @sshine":
         - evm-opcodes