diff --git a/build-constraints.yaml b/build-constraints.yaml
index 5e439fdd..b501f116 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1133,6 +1133,9 @@ packages:
         # https://github.com/fpco/stackage/issues/641
         - gipeda < 0.1.1
 
+        # https://github.com/rodrigosetti/messagepack-rpc/issues/2
+        - messagepack < 0.4
+
 # Package flags are applied to individual packages, and override the values of
 # global-flags
 package-flags: