diff --git a/build-constraints.yaml b/build-constraints.yaml
index 82817713..11d1c6cd 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1554,8 +1554,8 @@ packages:
 
     "Gershom Bazerman <gershomb@gmail.com> @gbaz":
         - jmacro
-        - jmacro-rpc < 0 # build failure with GHC 8.4 https://hub.darcs.net/gershomb/jmacro/issue/5
-        - jmacro-rpc-snap < 0 # via jmacro-rpc
+        - jmacro-rpc
+        - jmacro-rpc-snap
         - jmacro-rpc-happstack < 0 # GHC 8.4 via happstack-server
 
         - mbox